101021220112 has 20 divisors (see below), whose sum is σ = 197222729616. Its totient is φ = 50125031840.

The previous prime is 101021220037. The next prime is 101021220133. The reversal of 101021220112 is 211022120101.

It is a junction number, because it is equal to n+sod(n) for n = 101021220092 and 101021220101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24096478 + ... + 24100669.

Almost surely, 2^101021220112 is an apocalyptic number.

It is an amenable number.

101021220112 is a deficient number, since it is larger than the sum of its proper divisors (96201509504).

101021220112 is a wasteful number, since it uses less digits than its factorization.

101021220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48197286 (or 48197280 counting only the distinct ones).

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

Adding to 101021220112 its reverse (211022120101), we get a palindrome (312043340213).

The spelling of 101021220112 in words is "one hundred one billion, twenty-one million, two hundred twenty thousand, one hundred twelve".