122201020021999 has 4 divisors (see below), whose sum is σ = 122283532528560. Its totient is φ = 122118507515440.

The previous prime is 122201020021981. The next prime is 122201020022071. The reversal of 122201020021999 is 999120020102221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122201020021999 - 2⁵ = 122201020021967 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 (122201020021499) 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, 41256251059 + ... + 41256254020.

It is an arithmetic number, because the mean of its divisors is an integer number (30570883132140).

Almost surely, 2^{122201020021999} is an apocalyptic number.

122201020021999 is a deficient number, since it is larger than the sum of its proper divisors (82512506561).

122201020021999 is an equidigital number, since it uses as much as digits as its factorization.

122201020021999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82512506560.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 122201020021999 in words is "one hundred twenty-two trillion, two hundred one billion, twenty million, twenty-one thousand, nine hundred ninety-nine".