13121032100201 has 16 divisors (see below), whose sum is σ = 13447065375744. Its totient is φ = 12798845090064.

The previous prime is 13121032100171. The next prime is 13121032100299. The reversal of 13121032100201 is 10200123012131.

It is a cyclic number.

It is not a de Polignac number, because 13121032100201 - 2²² = 13121027905897 is a prime.

It is a super-2 number, since 2×13121032100201² (a number of 27 digits) contains 22 as substring.

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 13121032100201.

It is not an unprimeable number, because it can be changed into a prime (13121032100401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117999836 + ... + 118110978.

It is an arithmetic number, because the mean of its divisors is an integer number (840441585984).

Almost surely, 2^{13121032100201} is an apocalyptic number.

It is an amenable number.

13121032100201 is a deficient number, since it is larger than the sum of its proper divisors (326033275543).

13121032100201 is a wasteful number, since it uses less digits than its factorization.

13121032100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128420.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13121032100201 its reverse (10200123012131), we get a palindrome (23321155112332).

The spelling of 13121032100201 in words is "thirteen trillion, one hundred twenty-one billion, thirty-two million, one hundred thousand, two hundred one".