122102220221 has 8 divisors (see below), whose sum is σ = 124462359840. Its totient is φ = 119763248112.

The previous prime is 122102220193. The next prime is 122102220271. The reversal of 122102220221 is 122022201221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122102220221 - 2³⁰ = 121028478397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122102220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102220271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5280230 + ... + 5303303.

It is an arithmetic number, because the mean of its divisors is an integer number (15557794980).

Almost surely, 2^122102220221 is an apocalyptic number.

It is an amenable number.

122102220221 is a deficient number, since it is larger than the sum of its proper divisors (2360139619).

122102220221 is a wasteful number, since it uses less digits than its factorization.

122102220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583755.

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

Adding to 122102220221 its reverse (122022201221), we get a palindrome (244124421442).

The spelling of 122102220221 in words is "one hundred twenty-two billion, one hundred two million, two hundred twenty thousand, two hundred twenty-one".