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2102212111201 = 17283463943757
BaseRepresentation
bin11110100101110101100…
…110110010101101100001
321102222011202222002022021
4132211311212302231201
5233420312300024301
64245424245141441
7304610530054246
oct36456546625541
97388152862267
102102212111201
117405a7a28864
1229b50a6ba881
13123312455c47
1473a676215cd
1539a3b5278a1
hex1e9759b2b61

2102212111201 has 16 divisors (see below), whose sum is σ = 2238563775744. Its totient is φ = 1967300907264.

The previous prime is 2102212111193. The next prime is 2102212111211. The reversal of 2102212111201 is 1021112122012.

It is a cyclic number.

It is not a de Polignac number, because 2102212111201 - 23 = 2102212111193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102212111211) 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 15 ways as a sum of consecutive naturals, for example, 1755615 + ... + 2699371.

It is an arithmetic number, because the mean of its divisors is an integer number (139910235984).

Almost surely, 22102212111201 is an apocalyptic number.

It is an amenable number.

2102212111201 is a deficient number, since it is larger than the sum of its proper divisors (136351664543).

2102212111201 is a wasteful number, since it uses less digits than its factorization.

2102212111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944520.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2102212111201 its reverse (1021112122012), we get a palindrome (3123324233213).

The spelling of 2102212111201 in words is "two trillion, one hundred two billion, two hundred twelve million, one hundred eleven thousand, two hundred one".

Divisors: 1 17 283 463 4811 7871 131029 943757 2227493 16043869 267083231 436959491 4540414927 7428311347 123659535953 2102212111201