111381771072211 has 4 divisors (see below), whose sum is σ = 111382003979800. Its totient is φ = 111381538164624.

The previous prime is 111381771072197. The next prime is 111381771072223. The reversal of 111381771072211 is 112270177183111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111381771072211 - 2⁵ = 111381771072179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111381771073211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115734981 + ... + 116693398.

It is an arithmetic number, because the mean of its divisors is an integer number (27845500994950).

Almost surely, 2^{111381771072211} is an apocalyptic number.

111381771072211 is a deficient number, since it is larger than the sum of its proper divisors (232907589).

111381771072211 is an equidigital number, since it uses as much as digits as its factorization.

111381771072211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232907588.

The product of its (nonzero) digits is 32928, while the sum is 43.

The spelling of 111381771072211 in words is "one hundred eleven trillion, three hundred eighty-one billion, seven hundred seventy-one million, seventy-two thousand, two hundred eleven".