10204102122556 has 12 divisors (see below), whose sum is σ = 17861556575520. Its totient is φ = 5100800243840.

The previous prime is 10204102122509. The next prime is 10204102122563. The reversal of 10204102122556 is 65522120140201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312686005 + ... + 312718636.

It is an arithmetic number, because the mean of its divisors is an integer number (1488463047960).

Almost surely, 2^{10204102122556} is an apocalyptic number.

It is an amenable number.

10204102122556 is a deficient number, since it is larger than the sum of its proper divisors (7657454452964).

10204102122556 is a wasteful number, since it uses less digits than its factorization.

10204102122556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625408724 (or 625408722 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 10204102122556 its reverse (65522120140201), we get a palindrome (75726222262757).

The spelling of 10204102122556 in words is "ten trillion, two hundred four billion, one hundred two million, one hundred twenty-two thousand, five hundred fifty-six".