111232151 has 2 divisors, whose sum is σ = 111232152. Its totient is φ = 111232150.

The previous prime is 111232129. The next prime is 111232157. The reversal of 111232151 is 151232111.

It is a strong prime.

It is an emirp because it is prime and its reverse (151232111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111232151 - 2⁶ = 111232087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111232157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55616075 + 55616076.

It is an arithmetic number, because the mean of its divisors is an integer number (55616076).

Almost surely, 2^111232151 is an apocalyptic number.

111232151 is a deficient number, since it is larger than the sum of its proper divisors (1).

111232151 is an equidigital number, since it uses as much as digits as its factorization.

111232151 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 111232151 is about 10546.6653971765. The cubic root of 111232151 is about 480.9243631455.

Adding to 111232151 its reverse (151232111), we get a palindrome (262464262).

The spelling of 111232151 in words is "one hundred eleven million, two hundred thirty-two thousand, one hundred fifty-one".