101012112021 has 32 divisors (see below), whose sum is σ = 138288636288. Its totient is φ = 65564294400.

The previous prime is 101012111987. The next prime is 101012112053. The reversal of 101012112021 is 120211210101.

It is not a de Polignac number, because 101012112021 - 2¹¹ = 101012109973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101012111988 and 101012112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101012112121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12440455 + ... + 12448571.

It is an arithmetic number, because the mean of its divisors is an integer number (4321519884).

Almost surely, 2^101012112021 is an apocalyptic number.

It is an amenable number.

101012112021 is a deficient number, since it is larger than the sum of its proper divisors (37276524267).

101012112021 is a wasteful number, since it uses less digits than its factorization.

101012112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901.

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

Adding to 101012112021 its reverse (120211210101), we get a palindrome (221223322122).

The spelling of 101012112021 in words is "one hundred one billion, twelve million, one hundred twelve thousand, twenty-one".