101220120112 has 40 divisors (see below), whose sum is σ = 196578043200. Its totient is φ = 50490419712.

The previous prime is 101220120109. The next prime is 101220120187. The reversal of 101220120112 is 211021022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220120092 and 101220120101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25826089 + ... + 25830007.

It is an arithmetic number, because the mean of its divisors is an integer number (4914451080).

Almost surely, 2^101220120112 is an apocalyptic number.

It is an amenable number.

101220120112 is a deficient number, since it is larger than the sum of its proper divisors (95357923088).

101220120112 is a wasteful number, since it uses less digits than its factorization.

101220120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333 (or 7327 counting only the distinct ones).

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

Adding to 101220120112 its reverse (211021022101), we get a palindrome (312241142213).

The spelling of 101220120112 in words is "one hundred one billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".