111120111112151 has 2 divisors, whose sum is σ = 111120111112152. Its totient is φ = 111120111112150.

The previous prime is 111120111112117. The next prime is 111120111112169. The reversal of 111120111112151 is 151211111021111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111120111112151 - 2³⁴ = 111102931242967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111120111118151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560055556075 + 55560055556076.

It is an arithmetic number, because the mean of its divisors is an integer number (55560055556076).

Almost surely, 2^{111120111112151} is an apocalyptic number.

111120111112151 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120111112151 is an equidigital number, since it uses as much as digits as its factorization.

111120111112151 is an evil number, because the sum of its binary digits is even.

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

Adding to 111120111112151 its reverse (151211111021111), we get a palindrome (262331222133262).

The spelling of 111120111112151 in words is "one hundred eleven trillion, one hundred twenty billion, one hundred eleven million, one hundred twelve thousand, one hundred fifty-one".