22212111010100 has 72 divisors (see below), whose sum is σ = 55675190809728. Its totient is φ = 7602005900800.

The previous prime is 22212111010091. The next prime is 22212111010189. The reversal of 22212111010100 is 101011121222.

It is a congruent number.

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, 593888012 + ... + 593925411.

It is an arithmetic number, because the mean of its divisors is an integer number (773266539024).

Almost surely, 2^{22212111010100} is an apocalyptic number.

22212111010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212111010100 is an abundant number, since it is smaller than the sum of its proper divisors (33463079799628).

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

22212111010100 is a wasteful number, since it uses less digits than its factorization.

22212111010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187813465 (or 1187813458 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22212111010100 its reverse (101011121222), we get a palindrome (22313122131322).

The spelling of 22212111010100 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, ten thousand, one hundred".