1001113123133 has 6 divisors (see below), whose sum is σ = 1036824650394. Its totient is φ = 966591980144.

The previous prime is 1001113123111. The next prime is 1001113123139. The reversal of 1001113123133 is 3313213111001.

It can be written as a sum of positive squares in 3 ways, for example, as 10445248804 + 990667874329 = 102202^2 + 995323^2 .

It is not a de Polignac number, because 1001113123133 - 2⁶ = 1001113123069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001113123139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 595191266 + ... + 595192947.

It is an arithmetic number, because the mean of its divisors is an integer number (172804108399).

Almost surely, 2^{1001113123133} is an apocalyptic number.

It is an amenable number.

1001113123133 is a deficient number, since it is larger than the sum of its proper divisors (35711527261).

1001113123133 is an equidigital number, since it uses as much as digits as its factorization.

1001113123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190384271 (or 1190384242 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1001113123133 its reverse (3313213111001), we get a palindrome (4314326234134).

The spelling of 1001113123133 in words is "one trillion, one billion, one hundred thirteen million, one hundred twenty-three thousand, one hundred thirty-three".