22122011102220 has 72 divisors (see below), whose sum is σ = 67104025170000. Its totient is φ = 5899150961280.

The previous prime is 22122011102201. The next prime is 22122011102221. The reversal of 22122011102220 is 2220111022122.

It is a happy number.

22122011102220 is a `hidden beast` number, since 221 + 220 + 1 + 1 + 1 + 0 + 2 + 220 = 666.

It is a super-3 number, since 3×22122011102220³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22122011102193 and 22122011102202.

It is not an unprimeable number, because it can be changed into a prime (22122011102221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22697535 + ... + 23652105.

Almost surely, 2^{22122011102220} is an apocalyptic number.

22122011102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122011102220 is an abundant number, since it is smaller than the sum of its proper divisors (44982014067780).

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

22122011102220 is a wasteful number, since it uses less digits than its factorization.

22122011102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083335 (or 1083330 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22122011102220 its reverse (2220111022122), we get a palindrome (24342122124342).

The spelling of 22122011102220 in words is "twenty-two trillion, one hundred twenty-two billion, eleven million, one hundred two thousand, two hundred twenty".