120112221100 has 18 divisors (see below), whose sum is σ = 260643520004. Its totient is φ = 48044888400.

The previous prime is 120112221067. The next prime is 120112221121. The reversal of 120112221100 is 1122211021.

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, 600561006 + ... + 600561205.

Almost surely, 2^120112221100 is an apocalyptic number.

120112221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112221100 is an abundant number, since it is smaller than the sum of its proper divisors (140531298904).

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

120112221100 is a wasteful number, since it uses less digits than its factorization.

120112221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201122225 (or 1201122218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120112221100 its reverse (1122211021), we get a palindrome (121234432121).

The spelling of 120112221100 in words is "one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, one hundred".