222012201111 has 4 divisors (see below), whose sum is σ = 296016268152. Its totient is φ = 148008134072.

The previous prime is 222012201071. The next prime is 222012201113. The reversal of 222012201111 is 111102210222.

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 222012201111 - 2¹⁰ = 222012200087 is a prime.

It is a super-2 number, since 2×222012201111² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012201113) 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, 37002033516 + ... + 37002033521.

It is an arithmetic number, because the mean of its divisors is an integer number (74004067038).

Almost surely, 2^222012201111 is an apocalyptic number.

222012201111 is a deficient number, since it is larger than the sum of its proper divisors (74004067041).

222012201111 is an equidigital number, since it uses as much as digits as its factorization.

222012201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74004067040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222012201111 its reverse (111102210222), we get a palindrome (333114411333).

The spelling of 222012201111 in words is "two hundred twenty-two billion, twelve million, two hundred one thousand, one hundred eleven".