13111022021202 has 96 divisors (see below), whose sum is σ = 33086949921792. Its totient is φ = 3674967401952.

The previous prime is 13111022021159. The next prime is 13111022021249. The reversal of 13111022021202 is 20212022011131.

13111022021202 is a `hidden beast` number, since 1 + 311 + 10 + 220 + 2 + 120 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3332148 + ... + 6109439.

It is an arithmetic number, because the mean of its divisors is an integer number (344655728352).

Almost surely, 2^{13111022021202} is an apocalyptic number.

13111022021202 is an abundant number, since it is smaller than the sum of its proper divisors (19975927900590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13111022021202 is a wasteful number, since it uses less digits than its factorization.

13111022021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441812 (or 9441809 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 13111022021202 its reverse (20212022011131), we get a palindrome (33323044032333).

The spelling of 13111022021202 in words is "thirteen trillion, one hundred eleven billion, twenty-two million, twenty-one thousand, two hundred two".