101321000421 has 4 divisors (see below), whose sum is σ = 135094667232. Its totient is φ = 67547333612.

The previous prime is 101321000413. The next prime is 101321000437. The reversal of 101321000421 is 124000123101.

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 101321000421 - 2³ = 101321000413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101321000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321000471) 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, 16886833401 + ... + 16886833406.

It is an arithmetic number, because the mean of its divisors is an integer number (33773666808).

Almost surely, 2^101321000421 is an apocalyptic number.

It is an amenable number.

101321000421 is a deficient number, since it is larger than the sum of its proper divisors (33773666811).

101321000421 is an equidigital number, since it uses as much as digits as its factorization.

101321000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33773666810.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 101321000421 its reverse (124000123101), we get a palindrome (225321123522).

The spelling of 101321000421 in words is "one hundred one billion, three hundred twenty-one million, four hundred twenty-one", and thus it is an aban number.