120122020020221 has 4 divisors (see below), whose sum is σ = 120122047160892. Its totient is φ = 120121992879552.

The previous prime is 120122020020187. The next prime is 120122020020293. The reversal of 120122020020221 is 122020020221021.

It is a happy number.

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 102121635525625 + 18000384494596 = 10105525^2 + 4242686^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122020020221 - 2³⁸ = 119847142113277 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 120122020020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122020025221) 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, 5217830 + ... + 16354503.

It is an arithmetic number, because the mean of its divisors is an integer number (30030511790223).

Almost surely, 2^{120122020020221} is an apocalyptic number.

It is an amenable number.

120122020020221 is a deficient number, since it is larger than the sum of its proper divisors (27140671).

120122020020221 is an equidigital number, since it uses as much as digits as its factorization.

120122020020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27140670.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120122020020221 its reverse (122020020221021), we get a palindrome (242142040241242).

The spelling of 120122020020221 in words is "one hundred twenty trillion, one hundred twenty-two billion, twenty million, twenty thousand, two hundred twenty-one".