122222000201221 has 16 divisors (see below), whose sum is σ = 124335847853568. Its totient is φ = 120111732000000.

The previous prime is 122222000201177. The next prime is 122222000201261. The reversal of 122222000201221 is 122102000222221.

It is a cyclic number.

It is not a de Polignac number, because 122222000201221 - 2¹⁵ = 122222000168453 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 (122222000201261) 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, 630723096 + ... + 630916846.

It is an arithmetic number, because the mean of its divisors is an integer number (7770990490848).

Almost surely, 2^{122222000201221} is an apocalyptic number.

It is an amenable number.

122222000201221 is a deficient number, since it is larger than the sum of its proper divisors (2113847652347).

122222000201221 is a wasteful number, since it uses less digits than its factorization.

122222000201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202932.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122222000201221 its reverse (122102000222221), we get a palindrome (244324000423442).

The spelling of 122222000201221 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred one thousand, two hundred twenty-one".