101110123018 has 16 divisors (see below), whose sum is σ = 159678155520. Its totient is φ = 47885090976.

The previous prime is 101110122979. The next prime is 101110123019. The reversal of 101110123018 is 810321011101.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 101110122986 and 101110123004.

It is not an unprimeable number, because it can be changed into a prime (101110123019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51930 + ... + 452677.

It is an arithmetic number, because the mean of its divisors is an integer number (9979884720).

Almost surely, 2^101110123018 is an apocalyptic number.

101110123018 is a deficient number, since it is larger than the sum of its proper divisors (58568032502).

101110123018 is a wasteful number, since it uses less digits than its factorization.

101110123018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509901.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 101110123018 its reverse (810321011101), we get a palindrome (911431134119).

The spelling of 101110123018 in words is "one hundred one billion, one hundred ten million, one hundred twenty-three thousand, eighteen".