101321210032021 has 32 divisors (see below), whose sum is σ = 118826857543680. Its totient is φ = 84584924415936.

The previous prime is 101321210031919. The next prime is 101321210032033. The reversal of 101321210032021 is 120230012123101.

It is not a de Polignac number, because 101321210032021 - 2²⁹ = 101320673161109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101321210032021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321210032121) 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, 2354259915 + ... + 2354302951.

It is an arithmetic number, because the mean of its divisors is an integer number (3713339298240).

Almost surely, 2^{101321210032021} is an apocalyptic number.

It is an amenable number.

101321210032021 is a deficient number, since it is larger than the sum of its proper divisors (17505647511659).

101321210032021 is a wasteful number, since it uses less digits than its factorization.

101321210032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65233.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 101321210032021 its reverse (120230012123101), we get a palindrome (221551222155122).

The spelling of 101321210032021 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred ten million, thirty-two thousand, twenty-one".