211000233391 has 2 divisors, whose sum is σ = 211000233392. Its totient is φ = 211000233390.

The previous prime is 211000233307. The next prime is 211000233413. The reversal of 211000233391 is 193332000112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211000233391 - 2¹³ = 211000225199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211000231391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500116695 + 105500116696.

It is an arithmetic number, because the mean of its divisors is an integer number (105500116696).

Almost surely, 2^211000233391 is an apocalyptic number.

211000233391 is a deficient number, since it is larger than the sum of its proper divisors (1).

211000233391 is an equidigital number, since it uses as much as digits as its factorization.

211000233391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 211000233391 in words is "two hundred eleven billion, two hundred thirty-three thousand, three hundred ninety-one".