202561677122104 has 8 divisors (see below), whose sum is σ = 379803144603960. Its totient is φ = 101280838561048.

The previous prime is 202561677122071. The next prime is 202561677122111. The reversal of 202561677122104 is 401221776165202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×202561677122104² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12660104820124 + ... + 12660104820139.

It is an arithmetic number, because the mean of its divisors is an integer number (47475393075495).

Almost surely, 2^{202561677122104} is an apocalyptic number.

It is an amenable number.

202561677122104 is a deficient number, since it is larger than the sum of its proper divisors (177241467481856).

202561677122104 is a wasteful number, since it uses less digits than its factorization.

202561677122104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25320209640269 (or 25320209640265 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 202561677122104 in words is "two hundred two trillion, five hundred sixty-one billion, six hundred seventy-seven million, one hundred twenty-two thousand, one hundred four".