10131100220123 has 4 divisors (see below), whose sum is σ = 10133125230168. Its totient is φ = 10129075210080.

The previous prime is 10131100220119. The next prime is 10131100220147. The reversal of 10131100220123 is 32102200113101.

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

It is a cyclic number.

It is not a de Polignac number, because 10131100220123 - 2² = 10131100220119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10131100220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012497518 + ... + 1012507523.

It is an arithmetic number, because the mean of its divisors is an integer number (2533281307542).

Almost surely, 2^{10131100220123} is an apocalyptic number.

10131100220123 is a deficient number, since it is larger than the sum of its proper divisors (2025010045).

10131100220123 is an equidigital number, since it uses as much as digits as its factorization.

10131100220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025010044.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10131100220123 its reverse (32102200113101), we get a palindrome (42233300333224).

The spelling of 10131100220123 in words is "ten trillion, one hundred thirty-one billion, one hundred million, two hundred twenty thousand, one hundred twenty-three".