112321212100 has 72 divisors (see below), whose sum is σ = 244579658400. Its totient is φ = 44773478400.

The previous prime is 112321212013. The next prime is 112321212121. The reversal of 112321212100 is 1212123211.

It is a super-2 number, since 2×112321212100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42240571 + ... + 42243229.

It is an arithmetic number, because the mean of its divisors is an integer number (3396939700).

Almost surely, 2^112321212100 is an apocalyptic number.

112321212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112321212100 is an abundant number, since it is smaller than the sum of its proper divisors (132258446300).

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

112321212100 is a wasteful number, since it uses less digits than its factorization.

112321212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973 (or 3966 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 112321212100 its reverse (1212123211), we get a palindrome (113533335311).

The spelling of 112321212100 in words is "one hundred twelve billion, three hundred twenty-one million, two hundred twelve thousand, one hundred".