211230999599 has 2 divisors, whose sum is σ = 211230999600. Its totient is φ = 211230999598.

The previous prime is 211230999527. The next prime is 211230999619. The reversal of 211230999599 is 995999032112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211230999599 - 2³⁶ = 142511522863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211230998599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105615499799 + 105615499800.

It is an arithmetic number, because the mean of its divisors is an integer number (105615499800).

Almost surely, 2^211230999599 is an apocalyptic number.

211230999599 is a deficient number, since it is larger than the sum of its proper divisors (1).

211230999599 is an equidigital number, since it uses as much as digits as its factorization.

211230999599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3542940, while the sum is 59.

The spelling of 211230999599 in words is "two hundred eleven billion, two hundred thirty million, nine hundred ninety-nine thousand, five hundred ninety-nine".