133100103121 has 4 divisors (see below), whose sum is σ = 133236337572. Its totient is φ = 132963868672.

The previous prime is 133100103113. The next prime is 133100103163. The reversal of 133100103121 is 121301001331.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62710176400 + 70389926721 = 250420^2 + 265311^2 .

It is a cyclic number.

It is not a de Polignac number, because 133100103121 - 2³ = 133100103113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133100103095 and 133100103104.

It is not an unprimeable number, because it can be changed into a prime (133100103181) 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, 68115760 + ... + 68117713.

It is an arithmetic number, because the mean of its divisors is an integer number (33309084393).

Almost surely, 2^133100103121 is an apocalyptic number.

It is an amenable number.

133100103121 is a deficient number, since it is larger than the sum of its proper divisors (136234451).

133100103121 is an equidigital number, since it uses as much as digits as its factorization.

133100103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136234450.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 133100103121 its reverse (121301001331), we get a palindrome (254401104452).

The spelling of 133100103121 in words is "one hundred thirty-three billion, one hundred million, one hundred three thousand, one hundred twenty-one".