101132423021 has 4 divisors (see below), whose sum is σ = 115579912032. Its totient is φ = 86684934012.

The previous prime is 101132422991. The next prime is 101132423027. The reversal of 101132423021 is 120324231101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101132423021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101132422984 and 101132423002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101132423027) 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, 7223744495 + ... + 7223744508.

It is an arithmetic number, because the mean of its divisors is an integer number (28894978008).

Almost surely, 2^101132423021 is an apocalyptic number.

It is an amenable number.

101132423021 is a deficient number, since it is larger than the sum of its proper divisors (14447489011).

101132423021 is an equidigital number, since it uses as much as digits as its factorization.

101132423021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14447489010.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 101132423021 its reverse (120324231101), we get a palindrome (221456654122).

The spelling of 101132423021 in words is "one hundred one billion, one hundred thirty-two million, four hundred twenty-three thousand, twenty-one".