101112110021 has 12 divisors (see below), whose sum is σ = 109707768000. Its totient is φ = 93147135120.

The previous prime is 101112109963. The next prime is 101112110027. The reversal of 101112110021 is 120011211101.

It is not a de Polignac number, because 101112110021 - 2²⁶ = 101045001157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101112109984 and 101112110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112110027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515165 + ... + 683826.

It is an arithmetic number, because the mean of its divisors is an integer number (9142314000).

Almost surely, 2^101112110021 is an apocalyptic number.

It is an amenable number.

101112110021 is a deficient number, since it is larger than the sum of its proper divisors (8595657979).

101112110021 is a wasteful number, since it uses less digits than its factorization.

101112110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199516 (or 1199503 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101112110021 its reverse (120011211101), we get a palindrome (221123321122).

The spelling of 101112110021 in words is "one hundred one billion, one hundred twelve million, one hundred ten thousand, twenty-one".