211220234299 has 2 divisors, whose sum is σ = 211220234300. Its totient is φ = 211220234298.

The previous prime is 211220234261. The next prime is 211220234321. The reversal of 211220234299 is 992432022112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211220234299 - 2⁹ = 211220233787 is a prime.

It is a super-2 number, since 2×211220234299² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211220234899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105610117149 + 105610117150.

It is an arithmetic number, because the mean of its divisors is an integer number (105610117150).

Almost surely, 2^211220234299 is an apocalyptic number.

211220234299 is a deficient number, since it is larger than the sum of its proper divisors (1).

211220234299 is an equidigital number, since it uses as much as digits as its factorization.

211220234299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 211220234299 in words is "two hundred eleven billion, two hundred twenty million, two hundred thirty-four thousand, two hundred ninety-nine".