111202101222222 has 16 divisors (see below), whose sum is σ = 222408896966352. Its totient is φ = 37066584653760.

The previous prime is 111202101222139. The next prime is 111202101222253. The reversal of 111202101222222 is 222222101202111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195297103 + ... + 195865674.

It is an arithmetic number, because the mean of its divisors is an integer number (13900556060397).

Almost surely, 2^{111202101222222} is an apocalyptic number.

111202101222222 is an abundant number, since it is smaller than the sum of its proper divisors (111206795744130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111202101222222 is a wasteful number, since it uses less digits than its factorization.

111202101222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391210163.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 111202101222222 its reverse (222222101202111), we get a palindrome (333424202424333).

The spelling of 111202101222222 in words is "one hundred eleven trillion, two hundred two billion, one hundred one million, two hundred twenty-two thousand, two hundred twenty-two".