122201132021 has 4 divisors (see below), whose sum is σ = 122202871872. Its totient is φ = 122199392172.

The previous prime is 122201131919. The next prime is 122201132023. The reversal of 122201132021 is 120231102221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122201132021 - 2²² = 122196937717 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 (122201132023) 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, 759935 + ... + 906588.

It is an arithmetic number, because the mean of its divisors is an integer number (30550717968).

Almost surely, 2^122201132021 is an apocalyptic number.

It is an amenable number.

122201132021 is a deficient number, since it is larger than the sum of its proper divisors (1739851).

122201132021 is an equidigital number, since it uses as much as digits as its factorization.

122201132021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739850.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 122201132021 its reverse (120231102221), we get a palindrome (242432234242).

The spelling of 122201132021 in words is "one hundred twenty-two billion, two hundred one million, one hundred thirty-two thousand, twenty-one".