211121320102039 has 2 divisors, whose sum is σ = 211121320102040. Its totient is φ = 211121320102038.

The previous prime is 211121320101907. The next prime is 211121320102123. The reversal of 211121320102039 is 930201023121112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211121320102039 - 2¹⁵ = 211121320069271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211121320101998 and 211121320102016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211121320102739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560660051019 + 105560660051020.

It is an arithmetic number, because the mean of its divisors is an integer number (105560660051020).

Almost surely, 2^{211121320102039} is an apocalyptic number.

211121320102039 is a deficient number, since it is larger than the sum of its proper divisors (1).

211121320102039 is an equidigital number, since it uses as much as digits as its factorization.

211121320102039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The spelling of 211121320102039 in words is "two hundred eleven trillion, one hundred twenty-one billion, three hundred twenty million, one hundred two thousand, thirty-nine".