121122022222 has 64 divisors (see below), whose sum is σ = 189831600000. Its totient is φ = 57929084928.

The previous prime is 121122022211. The next prime is 121122022223. The reversal of 121122022222 is 222220221121.

121122022222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 121122022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122022223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279727318 + ... + 279727750.

It is an arithmetic number, because the mean of its divisors is an integer number (2966118750).

Almost surely, 2^121122022222 is an apocalyptic number.

121122022222 is a deficient number, since it is larger than the sum of its proper divisors (68709577778).

121122022222 is a wasteful number, since it uses less digits than its factorization.

121122022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121122022222 its reverse (222220221121), we get a palindrome (343342243343).

The spelling of 121122022222 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-two".