122200021222021 has 8 divisors (see below), whose sum is σ = 123427791394560. Its totient is φ = 120973838344128.

The previous prime is 122200021221959. The next prime is 122200021222117. The reversal of 122200021222021 is 120222120002221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122200021222021 - 2³⁵ = 122165661483653 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 122200021222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200021225021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396668916 + ... + 396976861.

It is an arithmetic number, because the mean of its divisors is an integer number (15428473924320).

Almost surely, 2^{122200021222021} is an apocalyptic number.

It is an amenable number.

122200021222021 is a deficient number, since it is larger than the sum of its proper divisors (1227770172539).

122200021222021 is a wasteful number, since it uses less digits than its factorization.

122200021222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793647323.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122200021222021 its reverse (120222120002221), we get a palindrome (242422141224242).

The spelling of 122200021222021 in words is "one hundred twenty-two trillion, two hundred billion, twenty-one million, two hundred twenty-two thousand, twenty-one".