13121111102 has 32 divisors (see below), whose sum is σ = 22234764384. Its totient is φ = 5755651200.

The previous prime is 13121111083. The next prime is 13121111131. The reversal of 13121111102 is 20111112131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21113 + ... + 163364.

It is an arithmetic number, because the mean of its divisors is an integer number (694836387).

Almost surely, 2^13121111102 is an apocalyptic number.

13121111102 is a deficient number, since it is larger than the sum of its proper divisors (9113653282).

13121111102 is a wasteful number, since it uses less digits than its factorization.

13121111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184604.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 13121111102 its reverse (20111112131), we get a palindrome (33232223233).

The spelling of 13121111102 in words is "thirteen billion, one hundred twenty-one million, one hundred eleven thousand, one hundred two".