20112100220022 has 32 divisors (see below), whose sum is σ = 40302997459200. Its totient is φ = 6690913345248.

The previous prime is 20112100219999. The next prime is 20112100220053. The reversal of 20112100220022 is 22002200121102.

It is a junction number, because it is equal to n+sod(n) for n = 20112100219983 and 20112100220010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4705479 + ... + 7897197.

It is an arithmetic number, because the mean of its divisors is an integer number (1259468670600).

Almost surely, 2^{20112100220022} is an apocalyptic number.

20112100220022 is an abundant number, since it is smaller than the sum of its proper divisors (20190897239178).

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

20112100220022 is a wasteful number, since it uses less digits than its factorization.

20112100220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193780.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20112100220022 its reverse (22002200121102), we get a palindrome (42114300341124).

The spelling of 20112100220022 in words is "twenty trillion, one hundred twelve billion, one hundred million, two hundred twenty thousand, twenty-two".