22211012100100 has 72 divisors (see below), whose sum is σ = 48810259971200. Its totient is φ = 8771537174400.

The previous prime is 22211012100097. The next prime is 22211012100119. The reversal of 22211012100100 is 100121011222.

It is a super-2 number, since 2×22211012100100² (a number of 27 digits) contains 22 as substring.

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, 215294530 + ... + 215397670.

Almost surely, 2^{22211012100100} is an apocalyptic number.

22211012100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211012100100 is an abundant number, since it is smaller than the sum of its proper divisors (26599247871100).

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

22211012100100 is a wasteful number, since it uses less digits than its factorization.

22211012100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130493 (or 130486 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22211012100100 its reverse (100121011222), we get a palindrome (22311133111322).

The spelling of 22211012100100 in words is "twenty-two trillion, two hundred eleven billion, twelve million, one hundred thousand, one hundred".