11311123231022 has 16 divisors (see below), whose sum is σ = 17002522382832. Its totient is φ = 5643621276480.

The previous prime is 11311123231007. The next prime is 11311123231033. The reversal of 11311123231022 is 22013232111311.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740418 + ... + 5489274.

It is an arithmetic number, because the mean of its divisors is an integer number (1062657648927).

Almost surely, 2^{11311123231022} is an apocalyptic number.

11311123231022 is a deficient number, since it is larger than the sum of its proper divisors (5691399151810).

11311123231022 is a wasteful number, since it uses less digits than its factorization.

11311123231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753203.

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

Adding to 11311123231022 its reverse (22013232111311), we get a palindrome (33324355342333).

The spelling of 11311123231022 in words is "eleven trillion, three hundred eleven billion, one hundred twenty-three million, two hundred thirty-one thousand, twenty-two".