121202102222022 has 16 divisors (see below), whose sum is σ = 245818348169472. Its totient is φ = 39831676786440.

The previous prime is 121202102221999. The next prime is 121202102222081. The reversal of 121202102222022 is 220222201202121.

It is a self number, because there is not a number n which added to its sum of digits gives 121202102222022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142255988098 + ... + 142255988949.

It is an arithmetic number, because the mean of its divisors is an integer number (15363646760592).

Almost surely, 2^{121202102222022} is an apocalyptic number.

121202102222022 is an abundant number, since it is smaller than the sum of its proper divisors (124616245947450).

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

121202102222022 is a wasteful number, since it uses less digits than its factorization.

121202102222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284511977123.

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

Adding to 121202102222022 its reverse (220222201202121), we get a palindrome (341424303424143).

The spelling of 121202102222022 in words is "one hundred twenty-one trillion, two hundred two billion, one hundred two million, two hundred twenty-two thousand, twenty-two".