13101111021 has 32 divisors (see below), whose sum is σ = 19426406400. Its totient is φ = 7819035840.

The previous prime is 13101111017. The next prime is 13101111041. The reversal of 13101111021 is 12011110131.

It is not a de Polignac number, because 13101111021 - 2² = 13101111017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13101110988 and 13101111006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101111041) 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, 6625 + ... + 162006.

It is an arithmetic number, because the mean of its divisors is an integer number (607075200).

Almost surely, 2^13101111021 is an apocalyptic number.

It is an amenable number.

13101111021 is a deficient number, since it is larger than the sum of its proper divisors (6325295379).

13101111021 is a wasteful number, since it uses less digits than its factorization.

13101111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168729.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 13101111021 its reverse (12011110131), we get a palindrome (25112221152).

The spelling of 13101111021 in words is "thirteen billion, one hundred one million, one hundred eleven thousand, twenty-one".