2120111922 has 32 divisors (see below), whose sum is σ = 4725950400. Its totient is φ = 630125568.

The previous prime is 2120111921. The next prime is 2120111923. The reversal of 2120111922 is 2291110212.

It is an interprime number because it is at equal distance from previous prime (2120111921) and next prime (2120111923).

It is not an unprimeable number, because it can be changed into a prime (2120111921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545047 + ... + 548922.

It is an arithmetic number, because the mean of its divisors is an integer number (147685950).

Almost surely, 2^2120111922 is an apocalyptic number.

2120111922 is an abundant number, since it is smaller than the sum of its proper divisors (2605838478).

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

2120111922 is a wasteful number, since it uses less digits than its factorization.

2120111922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094010.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 2120111922 is about 46044.6731120984. The cubic root of 2120111922 is about 1284.6542640040.

The spelling of 2120111922 in words is "two billion, one hundred twenty million, one hundred eleven thousand, nine hundred twenty-two".