22010111002220 has 72 divisors (see below), whose sum is σ = 51015968181024. Its totient is φ = 7970466240000.

The previous prime is 22010111002177. The next prime is 22010111002237. The reversal of 22010111002220 is 2220011101022.

It is a junction number, because it is equal to n+sod(n) for n = 22010111002195 and 22010111002204.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18286256 + ... + 19452695.

Almost surely, 2^{22010111002220} is an apocalyptic number.

22010111002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010111002220 is an abundant number, since it is smaller than the sum of its proper divisors (29005857178804).

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

22010111002220 is a wasteful number, since it uses less digits than its factorization.

22010111002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37739223 (or 37739210 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22010111002220 its reverse (2220011101022), we get a palindrome (24230122103242).

The spelling of 22010111002220 in words is "twenty-two trillion, ten billion, one hundred eleven million, two thousand, two hundred twenty".