101230312021 has 8 divisors (see below), whose sum is σ = 106581168320. Its totient is φ = 95881750272.

The previous prime is 101230312013. The next prime is 101230312037. The reversal of 101230312021 is 120213032101.

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

It is a cyclic number.

It is not a de Polignac number, because 101230312021 - 2³ = 101230312013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101230311986 and 101230312004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230312121) 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, 482700 + ... + 659893.

It is an arithmetic number, because the mean of its divisors is an integer number (13322646040).

Almost surely, 2^101230312021 is an apocalyptic number.

It is an amenable number.

101230312021 is a deficient number, since it is larger than the sum of its proper divisors (5350856299).

101230312021 is a wasteful number, since it uses less digits than its factorization.

101230312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147275.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 101230312021 its reverse (120213032101), we get a palindrome (221443344122).

The spelling of 101230312021 in words is "one hundred one billion, two hundred thirty million, three hundred twelve thousand, twenty-one".