121088911 has 2 divisors, whose sum is σ = 121088912. Its totient is φ = 121088910.

The previous prime is 121088887. The next prime is 121088923. The reversal of 121088911 is 119880121.

It is a strong prime.

It is an emirp because it is prime and its reverse (119880121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121088911 - 2¹¹ = 121086863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121088711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60544455 + 60544456.

It is an arithmetic number, because the mean of its divisors is an integer number (60544456).

Almost surely, 2^121088911 is an apocalyptic number.

121088911 is a deficient number, since it is larger than the sum of its proper divisors (1).

121088911 is an equidigital number, since it uses as much as digits as its factorization.

121088911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 121088911 is about 11004.0406669550. The cubic root of 121088911 is about 494.7298611051.

The spelling of 121088911 in words is "one hundred twenty-one million, eighty-eight thousand, nine hundred eleven".