2111021112122 has 16 divisors (see below), whose sum is σ = 3558376725120. Its totient is φ = 931955808432.

The previous prime is 2111021112119. The next prime is 2111021112133. The reversal of 2111021112122 is 2212111201112.

It is a self number, because there is not a number n which added to its sum of digits gives 2111021112122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765067222 + ... + 1765068417.

It is an arithmetic number, because the mean of its divisors is an integer number (222398545320).

Almost surely, 2^{2111021112122} is an apocalyptic number.

2111021112122 is a deficient number, since it is larger than the sum of its proper divisors (1447355612998).

2111021112122 is a wasteful number, since it uses less digits than its factorization.

2111021112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530135677.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2111021112122 its reverse (2212111201112), we get a palindrome (4323132313234).

The spelling of 2111021112122 in words is "two trillion, one hundred eleven billion, twenty-one million, one hundred twelve thousand, one hundred twenty-two".