211130120322391 has 2 divisors, whose sum is σ = 211130120322392. Its totient is φ = 211130120322390.

The previous prime is 211130120322311. The next prime is 211130120322421. The reversal of 211130120322391 is 193223021031112.

It is a happy number.

211130120322391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211130120322391 - 2²¹ = 211130118225239 is a prime.

It is a super-2 number, since 2×211130120322391² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211130120322311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105565060161195 + 105565060161196.

It is an arithmetic number, because the mean of its divisors is an integer number (105565060161196).

Almost surely, 2^{211130120322391} is an apocalyptic number.

211130120322391 is a deficient number, since it is larger than the sum of its proper divisors (1).

211130120322391 is an equidigital number, since it uses as much as digits as its factorization.

211130120322391 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 31.

The spelling of 211130120322391 in words is "two hundred eleven trillion, one hundred thirty billion, one hundred twenty million, three hundred twenty-two thousand, three hundred ninety-one".