20031110222101 has 32 divisors (see below), whose sum is σ = 22580286334848. Its totient is φ = 17612282096640.

The previous prime is 20031110222059. The next prime is 20031110222107. The reversal of 20031110222101 is 10122201113002.

It is not a de Polignac number, because 20031110222101 - 2⁷ = 20031110221973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031110222107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25336681 + ... + 26115313.

It is an arithmetic number, because the mean of its divisors is an integer number (705633947964).

Almost surely, 2^{20031110222101} is an apocalyptic number.

It is an amenable number.

20031110222101 is a deficient number, since it is larger than the sum of its proper divisors (2549176112747).

20031110222101 is a wasteful number, since it uses less digits than its factorization.

20031110222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779221.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20031110222101 its reverse (10122201113002), we get a palindrome (30153311335103).

The spelling of 20031110222101 in words is "twenty trillion, thirty-one billion, one hundred ten million, two hundred twenty-two thousand, one hundred one".