2121022211122 has 16 divisors (see below), whose sum is σ = 3209405865120. Its totient is φ = 1051243988832.

The previous prime is 2121022211041. The next prime is 2121022211167. The reversal of 2121022211122 is 2211122201212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121022211122.

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, 5754043 + ... + 6111550.

It is an arithmetic number, because the mean of its divisors is an integer number (200587866570).

Almost surely, 2^{2121022211122} is an apocalyptic number.

2121022211122 is a deficient number, since it is larger than the sum of its proper divisors (1088383653998).

2121022211122 is a wasteful number, since it uses less digits than its factorization.

2121022211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11866377.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2121022211122 its reverse (2211122201212), we get a palindrome (4332144412334).

The spelling of 2121022211122 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred eleven thousand, one hundred twenty-two".