101031023112 has 32 divisors (see below), whose sum is σ = 252585343680. Its totient is φ = 33675969600.

The previous prime is 101031023089. The next prime is 101031023113. The reversal of 101031023112 is 211320130101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101031023091 and 101031023100.

It is not an unprimeable number, because it can be changed into a prime (101031023113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1519362 + ... + 1584462.

It is an arithmetic number, because the mean of its divisors is an integer number (7893291990).

Almost surely, 2^101031023112 is an apocalyptic number.

101031023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101031023112 is an abundant number, since it is smaller than the sum of its proper divisors (151554320568).

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

101031023112 is a wasteful number, since it uses less digits than its factorization.

101031023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129773 (or 129769 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 101031023112 its reverse (211320130101), we get a palindrome (312351153213).

The spelling of 101031023112 in words is "one hundred one billion, thirty-one million, twenty-three thousand, one hundred twelve".