22001012110100 has 72 divisors (see below), whose sum is σ = 47841793554240. Its totient is φ = 8782049364480.

The previous prime is 22001012110097. The next prime is 22001012110193. The reversal of 22001012110100 is 101121010022.

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, 847189916 + ... + 847215884.

It is an arithmetic number, because the mean of its divisors is an integer number (664469354920).

Almost surely, 2^{22001012110100} is an apocalyptic number.

22001012110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001012110100 is an abundant number, since it is smaller than the sum of its proper divisors (25840781444140).

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

22001012110100 is a wasteful number, since it uses less digits than its factorization.

22001012110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43329 (or 43322 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22001012110100 its reverse (101121010022), we get a palindrome (22102133120122).

The spelling of 22001012110100 in words is "twenty-two trillion, one billion, twelve million, one hundred ten thousand, one hundred".