22022022012100 has 72 divisors (see below), whose sum is σ = 53403647635296. Its totient is φ = 7812690720000.

The previous prime is 22022022012043. The next prime is 22022022012103. The reversal of 22022022012100 is 121022022022.

It is a super-3 number, since 3×22022022012100³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22022022012103) 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, 244101486 + ... + 244191685.

It is an arithmetic number, because the mean of its divisors is an integer number (741717328268).

Almost surely, 2^{22022022012100} is an apocalyptic number.

22022022012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022022012100 is an abundant number, since it is smaller than the sum of its proper divisors (31381625623196).

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

22022022012100 is a wasteful number, since it uses less digits than its factorization.

22022022012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488293237 (or 488293230 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022022012100 its reverse (121022022022), we get a palindrome (22143044034122).

The spelling of 22022022012100 in words is "twenty-two trillion, twenty-two billion, twenty-two million, twelve thousand, one hundred".