112121000122100 has 36 divisors (see below), whose sum is σ = 245711506626348. Its totient is φ = 44404356480000.

The previous prime is 112121000122097. The next prime is 112121000122121. The reversal of 112121000122100 is 1221000121211.

It can be written as a sum of positive squares in 6 ways, for example, as 22594697478544 + 89526302643556 = 4753388^2 + 9461834^2 .

It is a super-2 number, since 2×112121000122100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 5550534461 + ... + 5550554660.

Almost surely, 2^{112121000122100} is an apocalyptic number.

112121000122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121000122100 is an abundant number, since it is smaller than the sum of its proper divisors (133590506504248).

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

112121000122100 is a wasteful number, since it uses less digits than its factorization.

112121000122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101089236 (or 11101089229 counting only the distinct ones).

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

Adding to 112121000122100 its reverse (1221000121211), we get a palindrome (113342000243311).

The spelling of 112121000122100 in words is "one hundred twelve trillion, one hundred twenty-one billion, one hundred twenty-two thousand, one hundred".