941121211391 has 2 divisors, whose sum is σ = 941121211392. Its totient is φ = 941121211390.

The previous prime is 941121211333. The next prime is 941121211399. The reversal of 941121211391 is 193112121149.

It is a strong prime.

It is an emirp because it is prime and its reverse (193112121149) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 941121211391 - 2³⁰ = 940047469567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (941121211399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470560605695 + 470560605696.

It is an arithmetic number, because the mean of its divisors is an integer number (470560605696).

Almost surely, 2^941121211391 is an apocalyptic number.

941121211391 is a deficient number, since it is larger than the sum of its proper divisors (1).

941121211391 is an equidigital number, since it uses as much as digits as its factorization.

941121211391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 35.

The spelling of 941121211391 in words is "nine hundred forty-one billion, one hundred twenty-one million, two hundred eleven thousand, three hundred ninety-one".