111227817601 has 4 divisors (see below), whose sum is σ = 111236504512. Its totient is φ = 111219130692.

The previous prime is 111227817593. The next prime is 111227817611. The reversal of 111227817601 is 106718722111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111227817601 - 2³ = 111227817593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111227817611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324221 + ... + 4349866.

It is an arithmetic number, because the mean of its divisors is an integer number (27809126128).

Almost surely, 2^111227817601 is an apocalyptic number.

It is an amenable number.

111227817601 is a deficient number, since it is larger than the sum of its proper divisors (8686911).

111227817601 is an equidigital number, since it uses as much as digits as its factorization.

111227817601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8686910.

The product of its (nonzero) digits is 9408, while the sum is 37.

The spelling of 111227817601 in words is "one hundred eleven billion, two hundred twenty-seven million, eight hundred seventeen thousand, six hundred one".