101202012112021 has 16 divisors (see below), whose sum is σ = 102602261692800. Its totient is φ = 99809704360000.

The previous prime is 101202012111931. The next prime is 101202012112049. The reversal of 101202012112021 is 120211210202101.

It is a cyclic number.

It is not a de Polignac number, because 101202012112021 - 2⁹ = 101202012111509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101202012111986 and 101202012112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202012412021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153202440 + ... + 153861598.

It is an arithmetic number, because the mean of its divisors is an integer number (6412641355800).

Almost surely, 2^{101202012112021} is an apocalyptic number.

It is an amenable number.

101202012112021 is a deficient number, since it is larger than the sum of its proper divisors (1400249580779).

101202012112021 is a wasteful number, since it uses less digits than its factorization.

101202012112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665180.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101202012112021 its reverse (120211210202101), we get a palindrome (221413222314122).

The spelling of 101202012112021 in words is "one hundred one trillion, two hundred two billion, twelve million, one hundred twelve thousand, twenty-one".