3231220322111 has 8 divisors (see below), whose sum is σ = 3234856111200. Its totient is φ = 3227586395488.

The previous prime is 3231220322023. The next prime is 3231220322123. The reversal of 3231220322111 is 1112230221323.

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 3231220322111 - 2²⁶ = 3231153213247 is a prime.

It is a super-2 number, since 2×3231220322111² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231220322171) 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, 3020825 + ... + 3948141.

It is an arithmetic number, because the mean of its divisors is an integer number (404357013900).

Almost surely, 2^{3231220322111} is an apocalyptic number.

3231220322111 is a deficient number, since it is larger than the sum of its proper divisors (3635789089).

3231220322111 is a wasteful number, since it uses less digits than its factorization.

3231220322111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931233.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3231220322111 its reverse (1112230221323), we get a palindrome (4343450543434).

The spelling of 3231220322111 in words is "three trillion, two hundred thirty-one billion, two hundred twenty million, three hundred twenty-two thousand, one hundred eleven".