122200202000221 has 4 divisors (see below), whose sum is σ = 128631791579200. Its totient is φ = 115768612421244.

The previous prime is 122200202000203. The next prime is 122200202000267. The reversal of 122200202000221 is 122000202002221.

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 not a de Polignac number, because 122200202000221 - 2⁵ = 122200202000189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122200202000195 and 122200202000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122200202090221) 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 3 ways as a sum of consecutive naturals, for example, 3215794789461 + ... + 3215794789498.

It is an arithmetic number, because the mean of its divisors is an integer number (32157947894800).

Almost surely, 2^{122200202000221} is an apocalyptic number.

It is an amenable number.

122200202000221 is a deficient number, since it is larger than the sum of its proper divisors (6431589578979).

122200202000221 is an equidigital number, since it uses as much as digits as its factorization.

122200202000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6431589578978.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122200202000221 its reverse (122000202002221), we get a palindrome (244200404002442).

The spelling of 122200202000221 in words is "one hundred twenty-two trillion, two hundred billion, two hundred two million, two hundred twenty-one", and thus it is an aban number.