101131223023021 has 4 divisors (see below), whose sum is σ = 101132411447232. Its totient is φ = 101130034598812.

The previous prime is 101131223022931. The next prime is 101131223023067. The reversal of 101131223023021 is 120320322131101.

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 not a de Polignac number, because 101131223023021 - 2²¹ = 101131220925869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101131223022983 and 101131223023001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101131223023121) 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, 594084451 + ... + 594254656.

It is an arithmetic number, because the mean of its divisors is an integer number (25283102861808).

Almost surely, 2^{101131223023021} is an apocalyptic number.

It is an amenable number.

101131223023021 is a deficient number, since it is larger than the sum of its proper divisors (1188424211).

101131223023021 is an equidigital number, since it uses as much as digits as its factorization.

101131223023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188424210.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 101131223023021 its reverse (120320322131101), we get a palindrome (221451545154122).

The spelling of 101131223023021 in words is "one hundred one trillion, one hundred thirty-one billion, two hundred twenty-three million, twenty-three thousand, twenty-one".