121022202221022 has 32 divisors (see below), whose sum is σ = 246148010242560. Its totient is φ = 39656806208640.

The previous prime is 121022202220919. The next prime is 121022202221087. The reversal of 121022202221022 is 220122202220121.

It is a self number, because there is not a number n which added to its sum of digits gives 121022202221022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88523622 + ... + 89880342.

It is an arithmetic number, because the mean of its divisors is an integer number (7692125320080).

Almost surely, 2^{121022202221022} is an apocalyptic number.

121022202221022 is an abundant number, since it is smaller than the sum of its proper divisors (125125808021538).

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

121022202221022 is a wasteful number, since it uses less digits than its factorization.

121022202221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608768.

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

Adding to 121022202221022 its reverse (220122202220121), we get a palindrome (341144404441143).

Subtracting 121022202221022 from its reverse (220122202220121), we obtain a palindrome (99099999999099).

The spelling of 121022202221022 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred two million, two hundred twenty-one thousand, twenty-two".