22012211110100 has 144 divisors (see below), whose sum is σ = 48795102955200. Its totient is φ = 8616686238720.

The previous prime is 22012211110081. The next prime is 22012211110129. The reversal of 22012211110100 is 101111221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1885085462 + ... + 1885097138.

Almost surely, 2^{22012211110100} is an apocalyptic number.

22012211110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22012211110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24397551477600).

22012211110100 is an abundant number, since it is smaller than the sum of its proper divisors (26782891845100).

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

22012211110100 is a wasteful number, since it uses less digits than its factorization.

22012211110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13162 (or 13155 counting only the distinct ones).

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

Adding to 22012211110100 its reverse (101111221022), we get a palindrome (22113322331122).

The spelling of 22012211110100 in words is "twenty-two trillion, twelve billion, two hundred eleven million, one hundred ten thousand, one hundred".