111100222201 has 4 divisors (see below), whose sum is σ = 111152853504. Its totient is φ = 111047590900.

The previous prime is 111100222183. The next prime is 111100222229. The reversal of 111100222201 is 102222001111.

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 111100222201 - 2⁷ = 111100222073 is a prime.

It is a super-2 number, since 2×111100222201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111100222241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26312485 + ... + 26316706.

It is an arithmetic number, because the mean of its divisors is an integer number (27788213376).

Almost surely, 2^111100222201 is an apocalyptic number.

It is an amenable number.

111100222201 is a deficient number, since it is larger than the sum of its proper divisors (52631303).

111100222201 is an equidigital number, since it uses as much as digits as its factorization.

111100222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52631302.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111100222201 its reverse (102222001111), we get a palindrome (213322223312).

The spelling of 111100222201 in words is "one hundred eleven billion, one hundred million, two hundred twenty-two thousand, two hundred one".