111123003331131 has 16 divisors (see below), whose sum is σ = 162867302598528. Its totient is φ = 66833173409600.

The previous prime is 111123003331127. The next prime is 111123003331181. The reversal of 111123003331131 is 131133300321111.

It is a cyclic number.

It is not a de Polignac number, because 111123003331131 - 2² = 111123003331127 is a prime.

It is a super-2 number, since 2×111123003331131² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111123003331181) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12852529026 + ... + 12852537671.

It is an arithmetic number, because the mean of its divisors is an integer number (10179206412408).

Almost surely, 2^{111123003331131} is an apocalyptic number.

111123003331131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111123003331131 is a deficient number, since it is larger than the sum of its proper divisors (51744299267397).

111123003331131 is a wasteful number, since it uses less digits than its factorization.

111123003331131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25705066842.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 111123003331131 its reverse (131133300321111), we get a palindrome (242256303652242).

The spelling of 111123003331131 in words is "one hundred eleven trillion, one hundred twenty-three billion, three million, three hundred thirty-one thousand, one hundred thirty-one".