3220121311 has 32 divisors (see below), whose sum is σ = 3827865600. Its totient is φ = 2676240000.

The previous prime is 3220121299. The next prime is 3220121327. The reversal of 3220121311 is 1131210223.

It is a cyclic number.

It is not a de Polignac number, because 3220121311 - 2¹¹ = 3220119263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220121341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4541425 + ... + 4542133.

It is an arithmetic number, because the mean of its divisors is an integer number (119620800).

Almost surely, 2^3220121311 is an apocalyptic number.

3220121311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3220121311 is a deficient number, since it is larger than the sum of its proper divisors (607744289).

3220121311 is a wasteful number, since it uses less digits than its factorization.

3220121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3220121311 is about 56746.1127391119. The cubic root of 3220121311 is about 1476.6947959104.

Adding to 3220121311 its reverse (1131210223), we get a palindrome (4351331534).

It can be divided in two parts, 322012 and 1311, that added together give a palindrome (323323).

The spelling of 3220121311 in words is "three billion, two hundred twenty million, one hundred twenty-one thousand, three hundred eleven".