211202210231 has 2 divisors, whose sum is σ = 211202210232. Its totient is φ = 211202210230.

The previous prime is 211202210189. The next prime is 211202210267. The reversal of 211202210231 is 132012202112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202210231 is a prime.

It is a super-2 number, since 2×211202210231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211202210291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601105115 + 105601105116.

It is an arithmetic number, because the mean of its divisors is an integer number (105601105116).

Almost surely, 2^211202210231 is an apocalyptic number.

211202210231 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202210231 is an equidigital number, since it uses as much as digits as its factorization.

211202210231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211202210231 its reverse (132012202112), we get a palindrome (343214412343).

The spelling of 211202210231 in words is "two hundred eleven billion, two hundred two million, two hundred ten thousand, two hundred thirty-one".