121112351 has 2 divisors, whose sum is σ = 121112352. Its totient is φ = 121112350.

The previous prime is 121112333. The next prime is 121112353. The reversal of 121112351 is 153211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121112351 - 2⁶ = 121112287 is a prime.

Together with 121112353, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121112353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556175 + 60556176.

It is an arithmetic number, because the mean of its divisors is an integer number (60556176).

Almost surely, 2^121112351 is an apocalyptic number.

121112351 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112351 is an equidigital number, since it uses as much as digits as its factorization.

121112351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60, while the sum is 17.

The square root of 121112351 is about 11005.1056787293. The cubic root of 121112351 is about 494.7617817813.

Adding to 121112351 its reverse (153211121), we get a palindrome (274323472).

The spelling of 121112351 in words is "one hundred twenty-one million, one hundred twelve thousand, three hundred fifty-one".