20113111232130 has 64 divisors (see below), whose sum is σ = 55169676834048. Its totient is φ = 4597092065280.

The previous prime is 20113111232107. The next prime is 20113111232147. The reversal of 20113111232130 is 3123211131102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20113111232097 and 20113111232106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3126754 + ... + 7071266.

It is an arithmetic number, because the mean of its divisors is an integer number (862026200532).

Almost surely, 2^{20113111232130} is an apocalyptic number.

20113111232130 is an abundant number, since it is smaller than the sum of its proper divisors (35056565601918).

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

20113111232130 is a wasteful number, since it uses less digits than its factorization.

20113111232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968811.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 20113111232130 its reverse (3123211131102), we get a palindrome (23236322363232).

The spelling of 20113111232130 in words is "twenty trillion, one hundred thirteen billion, one hundred eleven million, two hundred thirty-two thousand, one hundred thirty".