2161114440022 has 8 divisors (see below), whose sum is σ = 3242135904336. Its totient is φ = 1080402471912.

The previous prime is 2161114439999. The next prime is 2161114440047. The reversal of 2161114440022 is 2200444111612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 77356593 + ... + 77384524.

It is an arithmetic number, because the mean of its divisors is an integer number (405266988042).

Almost surely, 2^{2161114440022} is an apocalyptic number.

2161114440022 is a deficient number, since it is larger than the sum of its proper divisors (1081021464314).

2161114440022 is a wasteful number, since it uses less digits than its factorization.

2161114440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154748102.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 2161114440022 its reverse (2200444111612), we get a palindrome (4361558551634).

The spelling of 2161114440022 in words is "two trillion, one hundred sixty-one billion, one hundred fourteen million, four hundred forty thousand, twenty-two".