120102201002021 has 4 divisors (see below), whose sum is σ = 137259658288032. Its totient is φ = 102944743716012.

The previous prime is 120102201001903. The next prime is 120102201002039. The reversal of 120102201002021 is 120200102201021.

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 120102201002021 - 2²² = 120102196807717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120102201001987 and 120102201002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102201002321) 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, 8578728642995 + ... + 8578728643008.

It is an arithmetic number, because the mean of its divisors is an integer number (34314914572008).

Almost surely, 2^{120102201002021} is an apocalyptic number.

It is an amenable number.

120102201002021 is a deficient number, since it is larger than the sum of its proper divisors (17157457286011).

120102201002021 is an equidigital number, since it uses as much as digits as its factorization.

120102201002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17157457286010.

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

Adding to 120102201002021 its reverse (120200102201021), we get a palindrome (240302303203042).

The spelling of 120102201002021 in words is "one hundred twenty trillion, one hundred two billion, two hundred one million, two thousand, twenty-one".