2211211210939 has 2 divisors, whose sum is σ = 2211211210940. Its totient is φ = 2211211210938.

The previous prime is 2211211210937. The next prime is 2211211211009. The reversal of 2211211210939 is 9390121121122.

It is a happy number.

2211211210939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211211210939 - 2¹ = 2211211210937 is a prime.

Together with 2211211210937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2211211210937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105605605469 + 1105605605470.

It is an arithmetic number, because the mean of its divisors is an integer number (1105605605470).

Almost surely, 2^{2211211210939} is an apocalyptic number.

2211211210939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211211210939 is an equidigital number, since it uses as much as digits as its factorization.

2211211210939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 2211211210939 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred ten thousand, nine hundred thirty-nine".