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102102212110121 = 1073659260788817
BaseRepresentation
bin10111001101110010000110…
…000101010110011100101001
3111101111212122201021120002222
4113031302012011112130221
5101340320312300010441
61001053035252003425
730335432666223416
oct2715620605263451
9441455581246088
10102102212110121
112a595339a34143
12b550114300575
1344c827459b542
141b2dab843310d
15bc0da5ce6d4b
hex5cdc86156729

102102212110121 has 8 divisors (see below), whose sum is σ = 103084603979040. Its totient is φ = 101120341826368.

The previous prime is 102102212110043. The next prime is 102102212110123. The reversal of 102102212110121 is 121011212201201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102102212110121 - 222 = 102102207915817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102102212110121.

It is not an unprimeable number, because it can be changed into a prime (102102212110123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130002896 + ... + 130785921.

It is an arithmetic number, because the mean of its divisors is an integer number (12885575497380).

Almost surely, 2102102212110121 is an apocalyptic number.

It is an amenable number.

102102212110121 is a deficient number, since it is larger than the sum of its proper divisors (982391868919).

102102212110121 is a wasteful number, since it uses less digits than its factorization.

102102212110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260792583.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 102102212110121 its reverse (121011212201201), we get a palindrome (223113424311322).

The spelling of 102102212110121 in words is "one hundred two trillion, one hundred two billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-one".

Divisors: 1 107 3659 391513 260788817 27904403419 954226281403 102102212110121