202122211122 has 48 divisors (see below), whose sum is σ = 487881215640. Its totient is φ = 60046914816.

The previous prime is 202122211117. The next prime is 202122211171. The reversal of 202122211122 is 221112221202.

It is a happy number.

202122211122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 159040642401 + 43081568721 = 398799^2 + 207561^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202122211095 and 202122211104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14885803 + ... + 14899374.

Almost surely, 2^202122211122 is an apocalyptic number.

202122211122 is an abundant number, since it is smaller than the sum of its proper divisors (285759004518).

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

202122211122 is a wasteful number, since it uses less digits than its factorization.

202122211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29785227 (or 29785224 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202122211122 its reverse (221112221202), we get a palindrome (423234432324).

The spelling of 202122211122 in words is "two hundred two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred twenty-two".