2121022120033 has 2 divisors, whose sum is σ = 2121022120034. Its totient is φ = 2121022120032.

The previous prime is 2121022120027. The next prime is 2121022120039. The reversal of 2121022120033 is 3300212201212.

It is a balanced prime because it is at equal distance from previous prime (2121022120027) and next prime (2121022120039).

It can be written as a sum of positive squares in only one way, i.e., 1345859852544 + 775162267489 = 1160112^2 + 880433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121022120033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121022120039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060511060016 + 1060511060017.

It is an arithmetic number, because the mean of its divisors is an integer number (1060511060017).

Almost surely, 2^{2121022120033} is an apocalyptic number.

It is an amenable number.

2121022120033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121022120033 is an equidigital number, since it uses as much as digits as its factorization.

2121022120033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2121022120033 its reverse (3300212201212), we get a palindrome (5421234321245).

The spelling of 2121022120033 in words is "two trillion, one hundred twenty-one billion, twenty-two million, one hundred twenty thousand, thirty-three".