113111122021023 has 48 divisors (see below), whose sum is σ = 176423510731104. Its totient is φ = 64271785374720.

The previous prime is 113111122020997. The next prime is 113111122021061. The reversal of 113111122021023 is 320120221111311.

It is not a de Polignac number, because 113111122021023 - 2¹² = 113111122016927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111122031023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290806411 + ... + 291195107.

It is an arithmetic number, because the mean of its divisors is an integer number (3675489806898).

Almost surely, 2^{113111122021023} is an apocalyptic number.

113111122021023 is a deficient number, since it is larger than the sum of its proper divisors (63312388710081).

113111122021023 is a wasteful number, since it uses less digits than its factorization.

113111122021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399832 (or 399825 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 113111122021023 its reverse (320120221111311), we get a palindrome (433231343132334).

The spelling of 113111122021023 in words is "one hundred thirteen trillion, one hundred eleven billion, one hundred twenty-two million, twenty-one thousand, twenty-three".