1033121023213 has 4 divisors (see below), whose sum is σ = 1033365206368. Its totient is φ = 1032876840060.

The previous prime is 1033121023171. The next prime is 1033121023241. The reversal of 1033121023213 is 3123201213301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1033121023213 - 2²⁵ = 1033087468781 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 (1033121063213) 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, 122085231 + ... + 122093692.

It is an arithmetic number, because the mean of its divisors is an integer number (258341301592).

Almost surely, 2^{1033121023213} is an apocalyptic number.

It is an amenable number.

1033121023213 is a deficient number, since it is larger than the sum of its proper divisors (244183155).

1033121023213 is an equidigital number, since it uses as much as digits as its factorization.

1033121023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244183154.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1033121023213 its reverse (3123201213301), we get a palindrome (4156322236514).

The spelling of 1033121023213 in words is "one trillion, thirty-three billion, one hundred twenty-one million, twenty-three thousand, two hundred thirteen".