101331012300021 has 48 divisors (see below), whose sum is σ = 167347526860800. Its totient is φ = 57878886278304.

The previous prime is 101331012299987. The next prime is 101331012300059. The reversal of 101331012300021 is 120003210133101.

101331012300021 is a `hidden beast` number, since 1 + 0 + 1 + 331 + 0 + 12 + 300 + 0 + 21 = 666.

It is not a de Polignac number, because 101331012300021 - 2²¹ = 101331010202869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101331012299967 and 101331012300003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101331012340021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1670472190 + ... + 1670532848.

It is an arithmetic number, because the mean of its divisors is an integer number (3486406809600).

Almost surely, 2^{101331012300021} is an apocalyptic number.

It is an amenable number.

101331012300021 is a deficient number, since it is larger than the sum of its proper divisors (66016514560779).

101331012300021 is a wasteful number, since it uses less digits than its factorization.

101331012300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71478 (or 71475 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101331012300021 its reverse (120003210133101), we get a palindrome (221334222433122).

The spelling of 101331012300021 in words is "one hundred one trillion, three hundred thirty-one billion, twelve million, three hundred thousand, twenty-one".