122200120002021 has 16 divisors (see below), whose sum is σ = 168552348586560. Its totient is φ = 78657334340480.

The previous prime is 122200120002013. The next prime is 122200120002053. The reversal of 122200120002021 is 120200021002221.

It is a cyclic number.

It is not a de Polignac number, because 122200120002021 - 2³ = 122200120002013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200120002721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34099561 + ... + 37512401.

It is an arithmetic number, because the mean of its divisors is an integer number (10534521786660).

Almost surely, 2^{122200120002021} is an apocalyptic number.

It is an amenable number.

122200120002021 is a deficient number, since it is larger than the sum of its proper divisors (46352228584539).

122200120002021 is a wasteful number, since it uses less digits than its factorization.

122200120002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3824436.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122200120002021 its reverse (120200021002221), we get a palindrome (242400141004242).

The spelling of 122200120002021 in words is "one hundred twenty-two trillion, two hundred billion, one hundred twenty million, two thousand, twenty-one".