2211122993 has 2 divisors, whose sum is σ = 2211122994. Its totient is φ = 2211122992.

The previous prime is 2211122983. The next prime is 2211123017. The reversal of 2211122993 is 3992211122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1303426609 + 907696384 = 36103^2 + 30128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211122993 - 2¹⁴ = 2211106609 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211122983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105561496 + 1105561497.

It is an arithmetic number, because the mean of its divisors is an integer number (1105561497).

Almost surely, 2^2211122993 is an apocalyptic number.

It is an amenable number.

2211122993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211122993 is an equidigital number, since it uses as much as digits as its factorization.

2211122993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 2211122993 is about 47022.5796080989. The cubic root of 2211122993 is about 1302.7796525241.

The spelling of 2211122993 in words is "two billion, two hundred eleven million, one hundred twenty-two thousand, nine hundred ninety-three".