2121322331033 has 2 divisors, whose sum is σ = 2121322331034. Its totient is φ = 2121322331032.

The previous prime is 2121322330943. The next prime is 2121322331087. The reversal of 2121322331033 is 3301332231212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385300752144 + 736021578889 = 1176988^2 + 857917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2121322331033 - 2¹⁰ = 2121322330009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121322330993 and 2121322331011.

It is not a weakly prime, because it can be changed into another prime (2121324331033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060661165516 + 1060661165517.

It is an arithmetic number, because the mean of its divisors is an integer number (1060661165517).

Almost surely, 2^{2121322331033} is an apocalyptic number.

It is an amenable number.

2121322331033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121322331033 is an equidigital number, since it uses as much as digits as its factorization.

2121322331033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2121322331033 its reverse (3301332231212), we get a palindrome (5422654562245).

The spelling of 2121322331033 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-one thousand, thirty-three".