22100010100212 has 72 divisors (see below), whose sum is σ = 58212654249568. Its totient is φ = 6515973478080.

The previous prime is 22100010100177. The next prime is 22100010100219. The reversal of 22100010100212 is 21200101000122.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100010100219) 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, 205627258 + ... + 205734705.

Almost surely, 2^{22100010100212} is an apocalyptic number.

22100010100212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22100010100212 is an abundant number, since it is smaller than the sum of its proper divisors (36112644149356).

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

22100010100212 is a wasteful number, since it uses less digits than its factorization.

22100010100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411362029 (or 411362016 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22100010100212 its reverse (21200101000122), we get a palindrome (43300111100334).

It can be divided in two parts, 22100010 and 100212, that added together give a palindrome (22200222).

The spelling of 22100010100212 in words is "twenty-two trillion, one hundred billion, ten million, one hundred thousand, two hundred twelve".