3231111221011 has 2 divisors, whose sum is σ = 3231111221012. Its totient is φ = 3231111221010.

The previous prime is 3231111221003. The next prime is 3231111221021. The reversal of 3231111221011 is 1101221111323.

3231111221011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3231111221011 - 2³ = 3231111221003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3231111221011.

It is not a weakly prime, because it can be changed into another prime (3231111221021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615555610505 + 1615555610506.

It is an arithmetic number, because the mean of its divisors is an integer number (1615555610506).

Almost surely, 2^{3231111221011} is an apocalyptic number.

3231111221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231111221011 is an equidigital number, since it uses as much as digits as its factorization.

3231111221011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 3231111221011 its reverse (1101221111323), we get a palindrome (4332332332334).

The spelling of 3231111221011 in words is "three trillion, two hundred thirty-one billion, one hundred eleven million, two hundred twenty-one thousand, eleven".