111112211201 has 4 divisors (see below), whose sum is σ = 111469485504. Its totient is φ = 110754936900.

The previous prime is 111112211183. The next prime is 111112211209. The reversal of 111112211201 is 102112211111.

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 a de Polignac number, because none of the positive numbers 2^k-111112211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111112211209) 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, 178636685 + ... + 178637306.

It is an arithmetic number, because the mean of its divisors is an integer number (27867371376).

Almost surely, 2^111112211201 is an apocalyptic number.

It is an amenable number.

111112211201 is a deficient number, since it is larger than the sum of its proper divisors (357274303).

111112211201 is an equidigital number, since it uses as much as digits as its factorization.

111112211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357274302.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111112211201 its reverse (102112211111), we get a palindrome (213224422312).

The spelling of 111112211201 in words is "one hundred eleven billion, one hundred twelve million, two hundred eleven thousand, two hundred one".