32100230201021 has 4 divisors (see below), whose sum is σ = 32105189303772. Its totient is φ = 32095271098272.

The previous prime is 32100230201009. The next prime is 32100230201033. The reversal of 32100230201021 is 12010203200123.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (32100230201009) and next prime (32100230201033).

It can be written as a sum of positive squares in 2 ways, for example, as 13907574069796 + 18192656131225 = 3729286^2 + 4265285^2 .

It is a cyclic number.

It is not a de Polignac number, because 32100230201021 - 2¹⁰ = 32100230199997 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 (32100230201041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2479541666 + ... + 2479554611.

It is an arithmetic number, because the mean of its divisors is an integer number (8026297325943).

Almost surely, 2^{32100230201021} is an apocalyptic number.

It is an amenable number.

32100230201021 is a deficient number, since it is larger than the sum of its proper divisors (4959102751).

32100230201021 is an equidigital number, since it uses as much as digits as its factorization.

32100230201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4959102750.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32100230201021 its reverse (12010203200123), we get a palindrome (44110433401144).

The spelling of 32100230201021 in words is "thirty-two trillion, one hundred billion, two hundred thirty million, two hundred one thousand, twenty-one".