101031110123 has 16 divisors (see below), whose sum is σ = 103503036000. Its totient is φ = 98587141632.

The previous prime is 101031110071. The next prime is 101031110129. The reversal of 101031110123 is 321011130101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101031110123 - 2⁸ = 101031109867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101031110098 and 101031110107.

It is not an unprimeable number, because it can be changed into a prime (101031110129) 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, 4542113 + ... + 4564301.

It is an arithmetic number, because the mean of its divisors is an integer number (6468939750).

Almost surely, 2^101031110123 is an apocalyptic number.

101031110123 is a deficient number, since it is larger than the sum of its proper divisors (2471925877).

101031110123 is a wasteful number, since it uses less digits than its factorization.

101031110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22814.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101031110123 its reverse (321011130101), we get a palindrome (422042240224).

The spelling of 101031110123 in words is "one hundred one billion, thirty-one million, one hundred ten thousand, one hundred twenty-three".