2122131330 has 48 divisors (see below), whose sum is σ = 6019138944. Its totient is φ = 514455840.

The previous prime is 2122131329. The next prime is 2122131359. The reversal of 2122131330 is 331312212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070794 + ... + 1072773.

It is an arithmetic number, because the mean of its divisors is an integer number (125398728).

Almost surely, 2^2122131330 is an apocalyptic number.

2122131330 is an abundant number, since it is smaller than the sum of its proper divisors (3897007614).

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

2122131330 is a wasteful number, since it uses less digits than its factorization.

2122131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143591 (or 2143588 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2122131330 is about 46066.5966834973. The cubic root of 2122131330 is about 1285.0620125816.

Adding to 2122131330 its reverse (331312212), we get a palindrome (2453443542).

The spelling of 2122131330 in words is "two billion, one hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty".