2211222202122 has 32 divisors (see below), whose sum is σ = 4429441728000. Its totient is φ = 735908060160.

The previous prime is 2211222202087. The next prime is 2211222202171. The reversal of 2211222202122 is 2212022221122.

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, 57518247 + ... + 57556677.

It is an arithmetic number, because the mean of its divisors is an integer number (138420054000).

Almost surely, 2^{2211222202122} is an apocalyptic number.

2211222202122 is an abundant number, since it is smaller than the sum of its proper divisors (2218219525878).

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

2211222202122 is a wasteful number, since it uses less digits than its factorization.

2211222202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53358.

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

Adding to 2211222202122 its reverse (2212022221122), we get a palindrome (4423244423244).

The spelling of 2211222202122 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, one hundred twenty-two".