101321132021 has 8 divisors (see below), whose sum is σ = 107212224000. Its totient is φ = 95485880160.

The previous prime is 101321131981. The next prime is 101321132111. The reversal of 101321132021 is 120231123101.

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

It is not a de Polignac number, because 101321132021 - 2¹⁰ = 101321130997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321132921) 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, 13956296 + ... + 13963553.

It is an arithmetic number, because the mean of its divisors is an integer number (13401528000).

Almost surely, 2^101321132021 is an apocalyptic number.

It is an amenable number.

101321132021 is a deficient number, since it is larger than the sum of its proper divisors (5891091979).

101321132021 is a wasteful number, since it uses less digits than its factorization.

101321132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27920059.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 101321132021 its reverse (120231123101), we get a palindrome (221552255122).

The spelling of 101321132021 in words is "one hundred one billion, three hundred twenty-one million, one hundred thirty-two thousand, twenty-one".