112121021221104 has 40 divisors (see below), whose sum is σ = 331023967415680. Its totient is φ = 32034577491648.

The previous prime is 112121021221081. The next prime is 112121021221133. The reversal of 112121021221104 is 401122120121211.

It is a super-2 number, since 2×112121021221104² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166846757434 + ... + 166846758105.

It is an arithmetic number, because the mean of its divisors is an integer number (8275599185392).

Almost surely, 2^{112121021221104} is an apocalyptic number.

112121021221104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

112121021221104 is an abundant number, since it is smaller than the sum of its proper divisors (218902946194576).

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

112121021221104 is a wasteful number, since it uses less digits than its factorization.

112121021221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333693515557 (or 333693515551 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112121021221104 its reverse (401122120121211), we get a palindrome (513243141342315).

The spelling of 112121021221104 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-one million, two hundred twenty-one thousand, one hundred four".