101121312303 has 20 divisors (see below), whose sum is σ = 164790288168. Its totient is φ = 61285643280.

The previous prime is 101121312293. The next prime is 101121312343. The reversal of 101121312303 is 303213121101.

It is not a de Polignac number, because 101121312303 - 2⁹ = 101121311791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121312343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56745076 + ... + 56746857.

Almost surely, 2^101121312303 is an apocalyptic number.

101121312303 is a deficient number, since it is larger than the sum of its proper divisors (63668975865).

101121312303 is a wasteful number, since it uses less digits than its factorization.

101121312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113491956 (or 113491947 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101121312303 its reverse (303213121101), we get a palindrome (404334433404).

The spelling of 101121312303 in words is "one hundred one billion, one hundred twenty-one million, three hundred twelve thousand, three hundred three".