2122111221331 has 8 divisors (see below), whose sum is σ = 2261253024000. Its totient is φ = 1984559611008.

The previous prime is 2122111221313. The next prime is 2122111221343. The reversal of 2122111221331 is 1331221112212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2122111221331 - 2¹⁷ = 2122111090259 is a prime.

It is a super-2 number, since 2×2122111221331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122111291331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397545331 + ... + 397550668.

It is an arithmetic number, because the mean of its divisors is an integer number (282656628000).

Almost surely, 2^{2122111221331} is an apocalyptic number.

2122111221331 is a deficient number, since it is larger than the sum of its proper divisors (139141802669).

2122111221331 is a wasteful number, since it uses less digits than its factorization.

2122111221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795096173.

The product of its digits is 288, while the sum is 22.

Adding to 2122111221331 its reverse (1331221112212), we get a palindrome (3453332333543).

The spelling of 2122111221331 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, two hundred twenty-one thousand, three hundred thirty-one".