2121002213039 has 2 divisors, whose sum is σ = 2121002213040. Its totient is φ = 2121002213038.

The previous prime is 2121002213021. The next prime is 2121002213107. The reversal of 2121002213039 is 9303122001212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2121002213039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121002212999 and 2121002213017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2121002213339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060501106519 + 1060501106520.

It is an arithmetic number, because the mean of its divisors is an integer number (1060501106520).

Almost surely, 2^{2121002213039} is an apocalyptic number.

2121002213039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121002213039 is an equidigital number, since it uses as much as digits as its factorization.

2121002213039 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.

The spelling of 2121002213039 in words is "two trillion, one hundred twenty-one billion, two million, two hundred thirteen thousand, thirty-nine".