122002201221 has 16 divisors (see below), whose sum is σ = 165472657920. Its totient is φ = 79934038640.

The previous prime is 122002201183. The next prime is 122002201261. The reversal of 122002201221 is 122102200221.

It is a cyclic number.

It is not a de Polignac number, because 122002201221 - 2¹¹ = 122002199173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122002201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002201261) 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, 555886 + ... + 743648.

It is an arithmetic number, because the mean of its divisors is an integer number (10342041120).

Almost surely, 2^122002201221 is an apocalyptic number.

It is an amenable number.

122002201221 is a deficient number, since it is larger than the sum of its proper divisors (43470456699).

122002201221 is a wasteful number, since it uses less digits than its factorization.

122002201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191496.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122002201221 its reverse (122102200221), we get a palindrome (244104401442).

The spelling of 122002201221 in words is "one hundred twenty-two billion, two million, two hundred one thousand, two hundred twenty-one".