111012023331 has 48 divisors (see below), whose sum is σ = 177160943232. Its totient is φ = 66422361600.

The previous prime is 111012023251. The next prime is 111012023333. The reversal of 111012023331 is 133320210111.

It is not a de Polignac number, because 111012023331 - 2¹⁴ = 111012006947 is a prime.

It is a super-2 number, since 2×111012023331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111012023333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14153971 + ... + 14161811.

It is an arithmetic number, because the mean of its divisors is an integer number (3690852984).

Almost surely, 2^111012023331 is an apocalyptic number.

111012023331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111012023331 is a deficient number, since it is larger than the sum of its proper divisors (66148919901).

111012023331 is a wasteful number, since it uses less digits than its factorization.

111012023331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9664 (or 9661 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111012023331 its reverse (133320210111), we get a palindrome (244332233442).

The spelling of 111012023331 in words is "one hundred eleven billion, twelve million, twenty-three thousand, three hundred thirty-one".