122202210221 has 16 divisors (see below), whose sum is σ = 150486432768. Its totient is φ = 96633648000.

The previous prime is 122202210199. The next prime is 122202210227. The reversal of 122202210221 is 122012202221.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122202210221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122202210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202210227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208925 + ... + 536706.

It is an arithmetic number, because the mean of its divisors is an integer number (9405402048).

Almost surely, 2^122202210221 is an apocalyptic number.

It is an amenable number.

122202210221 is a deficient number, since it is larger than the sum of its proper divisors (28284222547).

122202210221 is a wasteful number, since it uses less digits than its factorization.

122202210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747452.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122202210221 its reverse (122012202221), we get a palindrome (244214412442).

The spelling of 122202210221 in words is "one hundred twenty-two billion, two hundred two million, two hundred ten thousand, two hundred twenty-one".