122202211212221 has 16 divisors (see below), whose sum is σ = 147109309401600. Its totient is φ = 99164957671728.

The previous prime is 122202211212217. The next prime is 122202211212227. The reversal of 122202211212221 is 122212112202221.

It is not a de Polignac number, because 122202211212221 - 2² = 122202211212217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122202211212227) 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 15 ways as a sum of consecutive naturals, for example, 309584831 + ... + 309979308.

It is an arithmetic number, because the mean of its divisors is an integer number (9194331837600).

Almost surely, 2^{122202211212221} is an apocalyptic number.

It is an amenable number.

122202211212221 is a deficient number, since it is larger than the sum of its proper divisors (24907098189379).

122202211212221 is a wasteful number, since it uses less digits than its factorization.

122202211212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619565648.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 122202211212221 its reverse (122212112202221), we get a palindrome (244414323414442).

The spelling of 122202211212221 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred eleven million, two hundred twelve thousand, two hundred twenty-one".