2122222131321 has 4 divisors (see below), whose sum is σ = 2829629508432. Its totient is φ = 1414814754212.

The previous prime is 2122222131311. The next prime is 2122222131401. The reversal of 2122222131321 is 1231312222212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122222131321 - 2⁶ = 2122222131257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122222131291 and 2122222131300.

It is not an unprimeable number, because it can be changed into a prime (2122222131311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353703688551 + ... + 353703688556.

It is an arithmetic number, because the mean of its divisors is an integer number (707407377108).

Almost surely, 2^{2122222131321} is an apocalyptic number.

It is an amenable number.

2122222131321 is a deficient number, since it is larger than the sum of its proper divisors (707407377111).

2122222131321 is an equidigital number, since it uses as much as digits as its factorization.

2122222131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707407377110.

The product of its digits is 1152, while the sum is 24.

Adding to 2122222131321 its reverse (1231312222212), we get a palindrome (3353534353533).

The spelling of 2122222131321 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred twenty-one".