11331131231022 has 16 divisors (see below), whose sum is σ = 22662888425040. Its totient is φ = 3776939416512.

The previous prime is 11331131231003. The next prime is 11331131231027. The reversal of 11331131231022 is 22013213113311.

It is a junction number, because it is equal to n+sod(n) for n = 11331131230983 and 11331131231001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131231027) 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, 25846303 + ... + 26281050.

It is an arithmetic number, because the mean of its divisors is an integer number (1416430526565).

Almost surely, 2^{11331131231022} is an apocalyptic number.

11331131231022 is an abundant number, since it is smaller than the sum of its proper divisors (11331757194018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331131231022 is a wasteful number, since it uses less digits than its factorization.

11331131231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52163587.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 11331131231022 its reverse (22013213113311), we get a palindrome (33344344344333).

The spelling of 11331131231022 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, two hundred thirty-one thousand, twenty-two".