33113012221061 has 2 divisors, whose sum is σ = 33113012221062. Its totient is φ = 33113012221060.

The previous prime is 33113012221013. The next prime is 33113012221073. The reversal of 33113012221061 is 16012221031133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24067167988900 + 9045844232161 = 4905830^2 + 3007631^2 .

It is a cyclic number.

It is not a de Polignac number, because 33113012221061 - 2²⁶ = 33112945112197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33113012221061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33113015221061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556506110530 + 16556506110531.

It is an arithmetic number, because the mean of its divisors is an integer number (16556506110531).

Almost surely, 2^{33113012221061} is an apocalyptic number.

It is an amenable number.

33113012221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

33113012221061 is an equidigital number, since it uses as much as digits as its factorization.

33113012221061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 33113012221061 its reverse (16012221031133), we get a palindrome (49125233252194).

The spelling of 33113012221061 in words is "thirty-three trillion, one hundred thirteen billion, twelve million, two hundred twenty-one thousand, sixty-one".