11331131012123 has 16 divisors (see below), whose sum is σ = 12208611594816. Its totient is φ = 10454487859200.

The previous prime is 11331131012119. The next prime is 11331131012213. The reversal of 11331131012123 is 32121013113311.

It is a cyclic number.

It is not a de Polignac number, because 11331131012123 - 2² = 11331131012119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331131014123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428822690 + ... + 428849112.

It is an arithmetic number, because the mean of its divisors is an integer number (763038224676).

Almost surely, 2^{11331131012123} is an apocalyptic number.

11331131012123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331131012123 is a deficient number, since it is larger than the sum of its proper divisors (877480582693).

11331131012123 is a wasteful number, since it uses less digits than its factorization.

11331131012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41014.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11331131012123 its reverse (32121013113311), we get a palindrome (43452144125434).

The spelling of 11331131012123 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, twelve thousand, one hundred twenty-three".