2131332221122 has 8 divisors (see below), whose sum is σ = 3442921280316. Its totient is φ = 983691794352.

The previous prime is 2131332221113. The next prime is 2131332221171. The reversal of 2131332221122 is 2211222331312.

It can be written as a sum of positive squares in 2 ways, for example, as 2130084789361 + 1247431761 = 1459481^2 + 35319^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40987158073 + ... + 40987158124.

Almost surely, 2^{2131332221122} is an apocalyptic number.

2131332221122 is a deficient number, since it is larger than the sum of its proper divisors (1311589059194).

2131332221122 is a wasteful number, since it uses less digits than its factorization.

2131332221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81974316212.

The product of its digits is 1728, while the sum is 25.

Adding to 2131332221122 its reverse (2211222331312), we get a palindrome (4342554552434).

The spelling of 2131332221122 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty-one thousand, one hundred twenty-two".