122002020313021 has 4 divisors (see below), whose sum is σ = 123186505947232. Its totient is φ = 120817534678812.

The previous prime is 122002020313003. The next prime is 122002020313037. The reversal of 122002020313021 is 120313020200221.

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 122002020313021 - 2²⁷ = 122001886095293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122002020313021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002020313081) 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, 592242816951 + ... + 592242817156.

It is an arithmetic number, because the mean of its divisors is an integer number (30796626486808).

Almost surely, 2^{122002020313021} is an apocalyptic number.

It is an amenable number.

122002020313021 is a deficient number, since it is larger than the sum of its proper divisors (1184485634211).

122002020313021 is a wasteful number, since it uses less digits than its factorization.

122002020313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184485634210.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 122002020313021 its reverse (120313020200221), we get a palindrome (242315040513242).

The spelling of 122002020313021 in words is "one hundred twenty-two trillion, two billion, twenty million, three hundred thirteen thousand, twenty-one".