110120012031 has 4 divisors (see below), whose sum is σ = 146826682712. Its totient is φ = 73413341352.

The previous prime is 110120012029. The next prime is 110120012069. The reversal of 110120012031 is 130210021011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 110120012031 - 2¹ = 110120012029 is a prime.

It is a super-2 number, since 2×110120012031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110120011998 and 110120012016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110120012021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18353335336 + ... + 18353335341.

It is an arithmetic number, because the mean of its divisors is an integer number (36706670678).

Almost surely, 2^110120012031 is an apocalyptic number.

110120012031 is a deficient number, since it is larger than the sum of its proper divisors (36706670681).

110120012031 is an equidigital number, since it uses as much as digits as its factorization.

110120012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36706670680.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 110120012031 its reverse (130210021011), we get a palindrome (240330033042).

The spelling of 110120012031 in words is "one hundred ten billion, one hundred twenty million, twelve thousand, thirty-one".