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110202112121201 = 479230067039919
BaseRepresentation
bin11001000011101001101101…
…101111110001100101110001
3112110012012220200011100012122
4121003221231233301211301
5103421022411200334301
61030214052412004025
732132561033303402
oct3103515557614561
9473165820140178
10110202112121201
11321284a9369301
1210439aa8460615
134965026063699
141d2db4c7459a9
15cb19232e581b
hex643a6dbf1971

110202112121201 has 4 divisors (see below), whose sum is σ = 110432179161600. Its totient is φ = 109972045080804.

The previous prime is 110202112121191. The next prime is 110202112121237. The reversal of 110202112121201 is 102121211202011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110202112121201 - 26 = 110202112121137 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 110202112121201.

It is not an unprimeable number, because it can be changed into a prime (110202112171201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115033519481 + ... + 115033520438.

It is an arithmetic number, because the mean of its divisors is an integer number (27608044790400).

Almost surely, 2110202112121201 is an apocalyptic number.

It is an amenable number.

110202112121201 is a deficient number, since it is larger than the sum of its proper divisors (230067040399).

110202112121201 is an equidigital number, since it uses as much as digits as its factorization.

110202112121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230067040398.

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

Adding to 110202112121201 its reverse (102121211202011), we get a palindrome (212323323323212).

The spelling of 110202112121201 in words is "one hundred ten trillion, two hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 479 230067039919 110202112121201