122202020012021 has 4 divisors (see below), whose sum is σ = 123094005559692. Its totient is φ = 121310034464352.

The previous prime is 122202020011993. The next prime is 122202020012041. The reversal of 122202020012021 is 120210020202221.

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 48765501232900 + 73436518779121 = 6983230^2 + 8569511^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202020012021 - 2³⁸ = 121927142105077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202020012041) 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, 445992773630 + ... + 445992773903.

It is an arithmetic number, because the mean of its divisors is an integer number (30773501389923).

Almost surely, 2^{122202020012021} is an apocalyptic number.

It is an amenable number.

122202020012021 is a deficient number, since it is larger than the sum of its proper divisors (891985547671).

122202020012021 is an equidigital number, since it uses as much as digits as its factorization.

122202020012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891985547670.

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

Adding to 122202020012021 its reverse (120210020202221), we get a palindrome (242412040214242).

The spelling of 122202020012021 in words is "one hundred twenty-two trillion, two hundred two billion, twenty million, twelve thousand, twenty-one".