101131110203 has 4 divisors (see below), whose sum is σ = 103282836000. Its totient is φ = 98979384408.

The previous prime is 101131110191. The next prime is 101131110257. The reversal of 101131110203 is 302011131101.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101131110203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101131110293) 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, 1075862828 + ... + 1075862921.

It is an arithmetic number, because the mean of its divisors is an integer number (25820709000).

Almost surely, 2^101131110203 is an apocalyptic number.

101131110203 is a deficient number, since it is larger than the sum of its proper divisors (2151725797).

101131110203 is an equidigital number, since it uses as much as digits as its factorization.

101131110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151725796.

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

Adding to 101131110203 its reverse (302011131101), we get a palindrome (403142241304).

The spelling of 101131110203 in words is "one hundred one billion, one hundred thirty-one million, one hundred ten thousand, two hundred three".