111440312201031 has 24 divisors (see below), whose sum is σ = 163423747316592. Its totient is φ = 67497917414400.

The previous prime is 111440312200949. The next prime is 111440312201041. The reversal of 111440312201031 is 130102213044111.

It is not a de Polignac number, because 111440312201031 - 2³⁰ = 111439238459207 is a prime.

It is a super-2 number, since 2×111440312201031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111440312200992 and 111440312201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111440312201041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94105626 + ... + 95282471.

It is an arithmetic number, because the mean of its divisors is an integer number (6809322804858).

Almost surely, 2^{111440312201031} is an apocalyptic number.

111440312201031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111440312201031 is a deficient number, since it is larger than the sum of its proper divisors (51983435115561).

111440312201031 is a wasteful number, since it uses less digits than its factorization.

111440312201031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189389743 (or 189389732 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 111440312201031 its reverse (130102213044111), we get a palindrome (241542525245142).

The spelling of 111440312201031 in words is "one hundred eleven trillion, four hundred forty billion, three hundred twelve million, two hundred one thousand, thirty-one".