211214412191 has 2 divisors, whose sum is σ = 211214412192. Its totient is φ = 211214412190.

The previous prime is 211214412187. The next prime is 211214412203. The reversal of 211214412191 is 191214412112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211214412191 - 2² = 211214412187 is a prime.

It is a super-2 number, since 2×211214412191² (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 (211214412181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105607206095 + 105607206096.

It is an arithmetic number, because the mean of its divisors is an integer number (105607206096).

Almost surely, 2^211214412191 is an apocalyptic number.

211214412191 is a deficient number, since it is larger than the sum of its proper divisors (1).

211214412191 is an equidigital number, since it uses as much as digits as its factorization.

211214412191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 29.

The spelling of 211214412191 in words is "two hundred eleven billion, two hundred fourteen million, four hundred twelve thousand, one hundred ninety-one".