101313312102021 has 4 divisors (see below), whose sum is σ = 135084416136032. Its totient is φ = 67542208068012.

The previous prime is 101313312102001. The next prime is 101313312102031. The reversal of 101313312102021 is 120201213313101.

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 not a de Polignac number, because 101313312102021 - 2¹¹ = 101313312099973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101313312102001) 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, 16885552017001 + ... + 16885552017006.

It is an arithmetic number, because the mean of its divisors is an integer number (33771104034008).

Almost surely, 2^{101313312102021} is an apocalyptic number.

It is an amenable number.

101313312102021 is a deficient number, since it is larger than the sum of its proper divisors (33771104034011).

101313312102021 is an equidigital number, since it uses as much as digits as its factorization.

101313312102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33771104034010.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 101313312102021 its reverse (120201213313101), we get a palindrome (221514525415122).

The spelling of 101313312102021 in words is "one hundred one trillion, three hundred thirteen billion, three hundred twelve million, one hundred two thousand, twenty-one".