112222100121100 has 18 divisors (see below), whose sum is σ = 243521957263004. Its totient is φ = 44888840048400.

The previous prime is 112222100121083. The next prime is 112222100121121. The reversal of 112222100121100 is 1121001222211.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561110500506 + ... + 561110500705.

Almost surely, 2^{112222100121100} is an apocalyptic number.

112222100121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222100121100 is an abundant number, since it is smaller than the sum of its proper divisors (131299857141904).

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

112222100121100 is a wasteful number, since it uses less digits than its factorization.

112222100121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122221001225 (or 1122221001218 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112222100121100 its reverse (1121001222211), we get a palindrome (113343101343311).

The spelling of 112222100121100 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred million, one hundred twenty-one thousand, one hundred".