108121331 has 2 divisors, whose sum is σ = 108121332. Its totient is φ = 108121330.

The previous prime is 108121259. The next prime is 108121333. The reversal of 108121331 is 133121801.

It is a strong prime.

It is an emirp because it is prime and its reverse (133121801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108121331 - 2²² = 103927027 is a prime.

It is a super-2 number, since 2×108121331² = 23380444434423122, which contains 22 as substring.

Together with 108121333, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (108121333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54060665 + 54060666.

It is an arithmetic number, because the mean of its divisors is an integer number (54060666).

Almost surely, 2^108121331 is an apocalyptic number.

108121331 is a deficient number, since it is larger than the sum of its proper divisors (1).

108121331 is an equidigital number, since it uses as much as digits as its factorization.

108121331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 108121331 is about 10398.1407472682. The cubic root of 108121331 is about 476.3985830693.

The spelling of 108121331 in words is "one hundred eight million, one hundred twenty-one thousand, three hundred thirty-one".