13100202111021 has 32 divisors (see below), whose sum is σ = 18773749327872. Its totient is φ = 8105442206400.

The previous prime is 13100202110971. The next prime is 13100202111023. The reversal of 13100202111021 is 12011120200131.

It is not a de Polignac number, because 13100202111021 - 2¹⁹ = 13100201586733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100202111023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14172190 + ... + 15068223.

It is an arithmetic number, because the mean of its divisors is an integer number (586679666496).

Almost surely, 2^{13100202111021} is an apocalyptic number.

It is an amenable number.

13100202111021 is a deficient number, since it is larger than the sum of its proper divisors (5673547216851).

13100202111021 is a wasteful number, since it uses less digits than its factorization.

13100202111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29240633.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13100202111021 its reverse (12011120200131), we get a palindrome (25111322311152).

The spelling of 13100202111021 in words is "thirteen trillion, one hundred billion, two hundred two million, one hundred eleven thousand, twenty-one".