121222102220022 has 16 divisors (see below), whose sum is σ = 242710334203392. Its totient is φ = 40363012446120.

The previous prime is 121222102219973. The next prime is 121222102220027. The reversal of 121222102220022 is 220022201222121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222102220027) 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, 11088734218 + ... + 11088745149.

It is an arithmetic number, because the mean of its divisors is an integer number (15169395887712).

Almost surely, 2^{121222102220022} is an apocalyptic number.

121222102220022 is an abundant number, since it is smaller than the sum of its proper divisors (121488231983370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121222102220022 is a wasteful number, since it uses less digits than its factorization.

121222102220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22177480283.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 121222102220022 its reverse (220022201222121), we get a palindrome (341244303442143).

The spelling of 121222102220022 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, twenty-two".