101132232021 has 8 divisors (see below), whose sum is σ = 149825528960. Its totient is φ = 67421487996.

The previous prime is 101132231989. The next prime is 101132232043. The reversal of 101132232021 is 120232231101.

101132232021 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 322 + 320 + 21 = 666.

It is not a de Polignac number, because 101132232021 - 2⁵ = 101132231989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101132231985 and 101132232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101132232521) 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, 1872819085 + ... + 1872819138.

It is an arithmetic number, because the mean of its divisors is an integer number (18728191120).

Almost surely, 2^101132232021 is an apocalyptic number.

It is an amenable number.

101132232021 is a deficient number, since it is larger than the sum of its proper divisors (48693296939).

101132232021 is an equidigital number, since it uses as much as digits as its factorization.

101132232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745638232 (or 3745638226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 101132232021 its reverse (120232231101), we get a palindrome (221364463122).

The spelling of 101132232021 in words is "one hundred one billion, one hundred thirty-two million, two hundred thirty-two thousand, twenty-one".