2122031121 has 8 divisors (see below), whose sum is σ = 3233571264. Its totient is φ = 1212589200.

The previous prime is 2122031117. The next prime is 2122031147. The reversal of 2122031121 is 1211302212.

2122031121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2122031121 - 2² = 2122031117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122031121.

It is not an unprimeable number, because it can be changed into a prime (2122031101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50524530 + ... + 50524571.

It is an arithmetic number, because the mean of its divisors is an integer number (404196408).

Almost surely, 2^2122031121 is an apocalyptic number.

2122031121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2122031121 is a deficient number, since it is larger than the sum of its proper divisors (1111540143).

2122031121 is a wasteful number, since it uses less digits than its factorization.

2122031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101049111.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2122031121 is about 46065.5090170509. The cubic root of 2122031121 is about 1285.0417849918.

Adding to 2122031121 its reverse (1211302212), we get a palindrome (3333333333).

The spelling of 2122031121 in words is "two billion, one hundred twenty-two million, thirty-one thousand, one hundred twenty-one".