211211300120299 has 2 divisors, whose sum is σ = 211211300120300. Its totient is φ = 211211300120298.

The previous prime is 211211300120153. The next prime is 211211300120309. The reversal of 211211300120299 is 992021003112112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211211300120299 - 2¹⁷ = 211211299989227 is a prime.

It is a super-2 number, since 2×211211300120299² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211211300129299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605650060149 + 105605650060150.

It is an arithmetic number, because the mean of its divisors is an integer number (105605650060150).

Almost surely, 2^{211211300120299} is an apocalyptic number.

211211300120299 is a deficient number, since it is larger than the sum of its proper divisors (1).

211211300120299 is an equidigital number, since it uses as much as digits as its factorization.

211211300120299 is an evil number, because the sum of its binary digits is even.

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

The spelling of 211211300120299 in words is "two hundred eleven trillion, two hundred eleven billion, three hundred million, one hundred twenty thousand, two hundred ninety-nine".