1322121311 has 8 divisors (see below), whose sum is σ = 1511246880. Its totient is φ = 1133058528.

The previous prime is 1322121293. The next prime is 1322121319. The reversal of 1322121311 is 1131212231.

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

It is not a de Polignac number, because 1322121311 - 2⁶ = 1322121247 is a prime.

It is a super-2 number, since 2×1322121311² = 3496009522000717442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1322121311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322121319) 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, 45185 + ... + 68453.

It is an arithmetic number, because the mean of its divisors is an integer number (188905860).

Almost surely, 2^1322121311 is an apocalyptic number.

1322121311 is a deficient number, since it is larger than the sum of its proper divisors (189125569).

1322121311 is an equidigital number, since it uses as much as digits as its factorization.

1322121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31393.

The product of its digits is 72, while the sum is 17.

The square root of 1322121311 is about 36360.9861114904. The cubic root of 1322121311 is about 1097.5486212618.

Adding to 1322121311 its reverse (1131212231), we get a palindrome (2453333542).

The spelling of 1322121311 in words is "one billion, three hundred twenty-two million, one hundred twenty-one thousand, three hundred eleven".