22012000002100 has 72 divisors (see below), whose sum is σ = 50281546011200. Its totient is φ = 8341139980800.

The previous prime is 22012000002089. The next prime is 22012000002103. The reversal of 22012000002100 is 120000021022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012000002103) 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, 71074585 + ... + 71383615.

Almost surely, 2^{22012000002100} is an apocalyptic number.

22012000002100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012000002100 is an abundant number, since it is smaller than the sum of its proper divisors (28269546009100).

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

22012000002100 is a wasteful number, since it uses less digits than its factorization.

22012000002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346553 (or 346546 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22012000002100 its reverse (120000021022), we get a palindrome (22132000023122).

It can be divided in two parts, 2 and 2012000002100, that added together give a palindrome (2012000002102).

The spelling of 22012000002100 in words is "twenty-two trillion, twelve billion, two thousand, one hundred".