33113012221033 has 4 divisors (see below), whose sum is σ = 33115451139540. Its totient is φ = 33110573302528.

The previous prime is 33113012221013. The next prime is 33113012221061. The reversal of 33113012221033 is 33012221031133.

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 17077696755289 + 16035315465744 = 4132517^2 + 4004412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33113012221033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33113012220989 and 33113012221007.

It is not an unprimeable number, because it can be changed into a prime (33113012221013) 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, 1219438888 + ... + 1219466041.

It is an arithmetic number, because the mean of its divisors is an integer number (8278862784885).

Almost surely, 2^{33113012221033} is an apocalyptic number.

It is an amenable number.

33113012221033 is a deficient number, since it is larger than the sum of its proper divisors (2438918507).

33113012221033 is a wasteful number, since it uses less digits than its factorization.

33113012221033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438918506.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 33113012221033 its reverse (33012221031133), we get a palindrome (66125233252166).

The spelling of 33113012221033 in words is "thirty-three trillion, one hundred thirteen billion, twelve million, two hundred twenty-one thousand, thirty-three".