111010096891 has 2 divisors, whose sum is σ = 111010096892. Its totient is φ = 111010096890.

The previous prime is 111010096889. The next prime is 111010096903. The reversal of 111010096891 is 198690010111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111010096891 - 2¹ = 111010096889 is a prime.

It is a super-2 number, since 2×111010096891² (a number of 23 digits) contains 22 as substring.

Together with 111010096889, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111010096891.

It is not a weakly prime, because it can be changed into another prime (111010096801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505048445 + 55505048446.

It is an arithmetic number, because the mean of its divisors is an integer number (55505048446).

Almost surely, 2^111010096891 is an apocalyptic number.

111010096891 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010096891 is an equidigital number, since it uses as much as digits as its factorization.

111010096891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 37.

The spelling of 111010096891 in words is "one hundred eleven billion, ten million, ninety-six thousand, eight hundred ninety-one".