120202102010021 has 4 divisors (see below), whose sum is σ = 120208974253344. Its totient is φ = 120195229766700.

The previous prime is 120202102009883. The next prime is 120202102010093. The reversal of 120202102010021 is 120010201202021.

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 120202102010021 - 2¹⁴ = 120202101993637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120202102009978 and 120202102010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120202102060021) 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, 3436095425 + ... + 3436130406.

It is an arithmetic number, because the mean of its divisors is an integer number (30052243563336).

Almost surely, 2^{120202102010021} is an apocalyptic number.

It is an amenable number.

120202102010021 is a deficient number, since it is larger than the sum of its proper divisors (6872243323).

120202102010021 is an equidigital number, since it uses as much as digits as its factorization.

120202102010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872243322.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120202102010021 its reverse (120010201202021), we get a palindrome (240212303212042).

The spelling of 120202102010021 in words is "one hundred twenty trillion, two hundred two billion, one hundred two million, ten thousand, twenty-one".