33113012221243 has 2 divisors, whose sum is σ = 33113012221244. Its totient is φ = 33113012221242.

The previous prime is 33113012221171. The next prime is 33113012221249. The reversal of 33113012221243 is 34212221031133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33113012221243 is a prime.

It is not a weakly prime, because it can be changed into another prime (33113012221249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556506110621 + 16556506110622.

It is an arithmetic number, because the mean of its divisors is an integer number (16556506110622).

Almost surely, 2^{33113012221243} is an apocalyptic number.

33113012221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

33113012221243 is an equidigital number, since it uses as much as digits as its factorization.

33113012221243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 33113012221243 its reverse (34212221031133), we get a palindrome (67325233252376).

The spelling of 33113012221243 in words is "thirty-three trillion, one hundred thirteen billion, twelve million, two hundred twenty-one thousand, two hundred forty-three".