113111122121022 has 32 divisors (see below), whose sum is σ = 238145960949120. Its totient is φ = 35716709302560.

The previous prime is 113111122120993. The next prime is 113111122121029. The reversal of 113111122121022 is 220121221111311.

It is a self number, because there is not a number n which added to its sum of digits gives 113111122121022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111122121029) 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, 34427908 + ... + 37569975.

It is an arithmetic number, because the mean of its divisors is an integer number (7442061279660).

Almost surely, 2^{113111122121022} is an apocalyptic number.

113111122121022 is an abundant number, since it is smaller than the sum of its proper divisors (125034838828098).

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

113111122121022 is a wasteful number, since it uses less digits than its factorization.

113111122121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72011688.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 113111122121022 its reverse (220121221111311), we get a palindrome (333232343232333).

The spelling of 113111122121022 in words is "one hundred thirteen trillion, one hundred eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-two".