101112012021 has 8 divisors (see below), whose sum is σ = 142746369984. Its totient is φ = 63442831040.

The previous prime is 101112012013. The next prime is 101112012031. The reversal of 101112012021 is 120210211101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101112012021 - 2³ = 101112012013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101112011988 and 101112012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112012031) 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, 991294185 + ... + 991294286.

It is an arithmetic number, because the mean of its divisors is an integer number (17843296248).

Almost surely, 2^101112012021 is an apocalyptic number.

It is an amenable number.

101112012021 is a deficient number, since it is larger than the sum of its proper divisors (41634357963).

101112012021 is a wasteful number, since it uses less digits than its factorization.

101112012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982588491.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101112012021 its reverse (120210211101), we get a palindrome (221322223122).

The spelling of 101112012021 in words is "one hundred one billion, one hundred twelve million, twelve thousand, twenty-one".