22110101212100 has 72 divisors (see below), whose sum is σ = 52369933922208. Its totient is φ = 8035536908800.

The previous prime is 22110101212057. The next prime is 22110101212103. The reversal of 22110101212100 is 121210101122.

It is not an unprimeable number, because it can be changed into a prime (22110101212103) 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, 3658277 + ... + 7589676.

It is an arithmetic number, because the mean of its divisors is an integer number (727360193364).

Almost surely, 2^{22110101212100} is an apocalyptic number.

22110101212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110101212100 is an abundant number, since it is smaller than the sum of its proper divisors (30259832710108).

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

22110101212100 is a wasteful number, since it uses less digits than its factorization.

22110101212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11249765 (or 11249758 counting only the distinct ones).

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

Adding to 22110101212100 its reverse (121210101122), we get a palindrome (22231311313222).

The spelling of 22110101212100 in words is "twenty-two trillion, one hundred ten billion, one hundred one million, two hundred twelve thousand, one hundred".