2222122100920 has 64 divisors (see below), whose sum is σ = 5346293932800. Its totient is φ = 828280780800.

The previous prime is 2222122100917. The next prime is 2222122100921. The reversal of 2222122100920 is 290012212222.

It is a super-2 number, since 2×2222122100920² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222122100921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16108680 + ... + 16246039.

It is an arithmetic number, because the mean of its divisors is an integer number (83535842700).

Almost surely, 2^{2222122100920} is an apocalyptic number.

2222122100920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222122100920 is an abundant number, since it is smaller than the sum of its proper divisors (3124171831880).

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

2222122100920 is a wasteful number, since it uses less digits than its factorization.

2222122100920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32354848 (or 32354844 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 2222122100920 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thousand, nine hundred twenty".