22001112021100 has 18 divisors (see below), whose sum is σ = 47742413086004. Its totient is φ = 8800444808400.

The previous prime is 22001112021059. The next prime is 22001112021127. The reversal of 22001112021100 is 112021110022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110005560006 + ... + 110005560205.

Almost surely, 2^{22001112021100} is an apocalyptic number.

22001112021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001112021100 is an abundant number, since it is smaller than the sum of its proper divisors (25741301064904).

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

22001112021100 is a wasteful number, since it uses less digits than its factorization.

22001112021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220011120225 (or 220011120218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22001112021100 its reverse (112021110022), we get a palindrome (22113133131122).

The spelling of 22001112021100 in words is "twenty-two trillion, one billion, one hundred twelve million, twenty-one thousand, one hundred".