2332021121 has 4 divisors (see below), whose sum is σ = 2469198852. Its totient is φ = 2194843392.

The previous prime is 2332021103. The next prime is 2332021169. The reversal of 2332021121 is 1211202332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1833124225 + 498896896 = 42815^2 + 22336^2 .

It is a cyclic number.

It is not a de Polignac number, because 2332021121 - 2²² = 2327826817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 137177713 = 2332021121 / (2 + 3 + 3 + 2 + 0 + 2 + 1 + 1 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2332021121.

It is not an unprimeable number, because it can be changed into a prime (2332041121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68588840 + ... + 68588873.

It is an arithmetic number, because the mean of its divisors is an integer number (617299713).

Almost surely, 2^2332021121 is an apocalyptic number.

It is an amenable number.

2332021121 is a deficient number, since it is larger than the sum of its proper divisors (137177731).

2332021121 is a wasteful number, since it uses less digits than its factorization.

2332021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137177730.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2332021121 is about 48291.0045557141. The cubic root of 2332021121 is about 1326.1037194397.

Adding to 2332021121 its reverse (1211202332), we get a palindrome (3543223453).

The spelling of 2332021121 in words is "two billion, three hundred thirty-two million, twenty-one thousand, one hundred twenty-one".