111121331927 has 2 divisors, whose sum is σ = 111121331928. Its totient is φ = 111121331926.

The previous prime is 111121331921. The next prime is 111121331941. The reversal of 111121331927 is 729133121111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111121331927 - 2¹⁶ = 111121266391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111121331893 and 111121331902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111121331921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560665963 + 55560665964.

It is an arithmetic number, because the mean of its divisors is an integer number (55560665964).

Almost surely, 2^111121331927 is an apocalyptic number.

111121331927 is a deficient number, since it is larger than the sum of its proper divisors (1).

111121331927 is an equidigital number, since it uses as much as digits as its factorization.

111121331927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 32.

The spelling of 111121331927 in words is "one hundred eleven billion, one hundred twenty-one million, three hundred thirty-one thousand, nine hundred twenty-seven".