2331121022 has 16 divisors (see below), whose sum is σ = 3703708800. Its totient is φ = 1096601088.

The previous prime is 2331121021. The next prime is 2331121049. The reversal of 2331121022 is 2201211332.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331121021) 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 7 ways as a sum of consecutive naturals, for example, 96854 + ... + 118502.

It is an arithmetic number, because the mean of its divisors is an integer number (231481800).

Almost surely, 2^2331121022 is an apocalyptic number.

2331121022 is a deficient number, since it is larger than the sum of its proper divisors (1372587778).

2331121022 is a wasteful number, since it uses less digits than its factorization.

2331121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24835.

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

The square root of 2331121022 is about 48281.6841255563. The cubic root of 2331121022 is about 1325.9330837304.

Adding to 2331121022 its reverse (2201211332), we get a palindrome (4532332354).

The spelling of 2331121022 in words is "two billion, three hundred thirty-one million, one hundred twenty-one thousand, twenty-two".