220112222101111 has 4 divisors (see below), whose sum is σ = 220149024016824. Its totient is φ = 220075420185400.

The previous prime is 220112222101081. The next prime is 220112222101117. The reversal of 220112222101111 is 111101222211022.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220112222101111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112222101117) 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, 18400948885 + ... + 18400960846.

It is an arithmetic number, because the mean of its divisors is an integer number (55037256004206).

Almost surely, 2^{220112222101111} is an apocalyptic number.

220112222101111 is a deficient number, since it is larger than the sum of its proper divisors (36801915713).

220112222101111 is an equidigital number, since it uses as much as digits as its factorization.

220112222101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36801915712.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220112222101111 its reverse (111101222211022), we get a palindrome (331213444312133).

The spelling of 220112222101111 in words is "two hundred twenty trillion, one hundred twelve billion, two hundred twenty-two million, one hundred one thousand, one hundred eleven".