101121330131 has 4 divisors (see below), whose sum is σ = 101220567000. Its totient is φ = 101022093264.

The previous prime is 101121330119. The next prime is 101121330221. The reversal of 101121330131 is 131033121101.

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-101121330131 is a prime.

It is a super-2 number, since 2×101121330131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121330031) 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, 49616906 + ... + 49618943.

It is an arithmetic number, because the mean of its divisors is an integer number (25305141750).

Almost surely, 2^101121330131 is an apocalyptic number.

101121330131 is a deficient number, since it is larger than the sum of its proper divisors (99236869).

101121330131 is an equidigital number, since it uses as much as digits as its factorization.

101121330131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99236868.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 101121330131 its reverse (131033121101), we get a palindrome (232154451232).

The spelling of 101121330131 in words is "one hundred one billion, one hundred twenty-one million, three hundred thirty thousand, one hundred thirty-one".