3321231221111 has 2 divisors, whose sum is σ = 3321231221112. Its totient is φ = 3321231221110.

The previous prime is 3321231221053. The next prime is 3321231221141. The reversal of 3321231221111 is 1111221321233.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3321231221111 - 2¹⁴ = 3321231204727 is a prime.

It is a super-2 number, since 2×3321231221111² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321231221141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660615610555 + 1660615610556.

It is an arithmetic number, because the mean of its divisors is an integer number (1660615610556).

Almost surely, 2^{3321231221111} is an apocalyptic number.

3321231221111 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321231221111 is an equidigital number, since it uses as much as digits as its factorization.

3321231221111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 23.

Adding to 3321231221111 its reverse (1111221321233), we get a palindrome (4432452542344).

The spelling of 3321231221111 in words is "three trillion, three hundred twenty-one billion, two hundred thirty-one million, two hundred twenty-one thousand, one hundred eleven".