101112212221100 has 36 divisors (see below), whose sum is σ = 219451014783000. Its totient is φ = 40437969816960.

The previous prime is 101112212221099. The next prime is 101112212221117. The reversal of 101112212221100 is 1122212211101.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85850570 + ... + 87020369.

It is an arithmetic number, because the mean of its divisors is an integer number (6095861521750).

Almost surely, 2^{101112212221100} is an apocalyptic number.

101112212221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101112212221100 is an abundant number, since it is smaller than the sum of its proper divisors (118338802561900).

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

101112212221100 is a wasteful number, since it uses less digits than its factorization.

101112212221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172876802 (or 172876795 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101112212221100 its reverse (1122212211101), we get a palindrome (102234424432201).

Subtracting from 101112212221100 its reverse (1122212211101), we obtain a palindrome (99990000009999).

The spelling of 101112212221100 in words is "one hundred one trillion, one hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, one hundred".