103133130021 has 12 divisors (see below), whose sum is σ = 148972908448. Its totient is φ = 68754113064.

The previous prime is 103133129959. The next prime is 103133130043. The reversal of 103133130021 is 120031331301.

It is a happy number.

103133130021 is a `hidden beast` number, since 1 + 0 + 31 + 331 + 300 + 2 + 1 = 666.

It is not a de Polignac number, because 103133130021 - 2¹³ = 103133121829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103133129976 and 103133130003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103133132021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735096 + ... + 864078.

Almost surely, 2^103133130021 is an apocalyptic number.

It is an amenable number.

103133130021 is a deficient number, since it is larger than the sum of its proper divisors (45839778427).

103133130021 is a wasteful number, since it uses less digits than its factorization.

103133130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217832 (or 217829 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 103133130021 its reverse (120031331301), we get a palindrome (223164461322).

The spelling of 103133130021 in words is "one hundred three billion, one hundred thirty-three million, one hundred thirty thousand, twenty-one".