112210212121100 has 36 divisors (see below), whose sum is σ = 243619200732600. Its totient is φ = 44861404584960.

The previous prime is 112210212121087. The next prime is 112210212121103. The reversal of 112210212121100 is 1121212012211.

It is a super-2 number, since 2×112210212121100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112210212121103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 283304405 + ... + 283700204.

It is an arithmetic number, because the mean of its divisors is an integer number (6767200020350).

Almost surely, 2^{112210212121100} is an apocalyptic number.

112210212121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112210212121100 is an abundant number, since it is smaller than the sum of its proper divisors (131408988611500).

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

112210212121100 is a wasteful number, since it uses less digits than its factorization.

112210212121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567006602 (or 567006595 counting only the distinct ones).

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

Adding to 112210212121100 its reverse (1121212012211), we get a palindrome (113331424133311).

The spelling of 112210212121100 in words is "one hundred twelve trillion, two hundred ten billion, two hundred twelve million, one hundred twenty-one thousand, one hundred".