120310310002021 has 4 divisors (see below), whose sum is σ = 120329319379500. Its totient is φ = 120291300624544.

The previous prime is 120310310002019. The next prime is 120310310002033. The reversal of 120310310002021 is 120200013013021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82067093509921 + 38243216492100 = 9059089^2 + 6184110^2 .

It is a cyclic number.

It is not a de Polignac number, because 120310310002021 - 2¹ = 120310310002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120310310001986 and 120310310002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120310310005021) 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, 9504679246 + ... + 9504691903.

It is an arithmetic number, because the mean of its divisors is an integer number (30082329844875).

Almost surely, 2^{120310310002021} is an apocalyptic number.

It is an amenable number.

120310310002021 is a deficient number, since it is larger than the sum of its proper divisors (19009377479).

120310310002021 is an equidigital number, since it uses as much as digits as its factorization.

120310310002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19009377478.

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

Adding to 120310310002021 its reverse (120200013013021), we get a palindrome (240510323015042).

The spelling of 120310310002021 in words is "one hundred twenty trillion, three hundred ten billion, three hundred ten million, two thousand, twenty-one".