111012201220222 has 32 divisors (see below), whose sum is σ = 168664539008160. Its totient is φ = 54792739921920.

The previous prime is 111012201220097. The next prime is 111012201220223. The reversal of 111012201220222 is 222022102210111.

It is a self number, because there is not a number n which added to its sum of digits gives 111012201220222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012201220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035138753 + ... + 2035193299.

It is an arithmetic number, because the mean of its divisors is an integer number (5270766844005).

Almost surely, 2^{111012201220222} is an apocalyptic number.

111012201220222 is a deficient number, since it is larger than the sum of its proper divisors (57652337787938).

111012201220222 is a wasteful number, since it uses less digits than its factorization.

111012201220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73116.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111012201220222 its reverse (222022102210111), we get a palindrome (333034303430333).

The spelling of 111012201220222 in words is "one hundred eleven trillion, twelve billion, two hundred one million, two hundred twenty thousand, two hundred twenty-two".