222111001111110 has 128 divisors (see below), whose sum is σ = 559707102299520. Its totient is φ = 56348485779456.

The previous prime is 222111001111003. The next prime is 222111001111133. The reversal of 222111001111110 is 11111100111222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222111001111110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10794406 + ... + 23679974.

It is an arithmetic number, because the mean of its divisors is an integer number (4372711736715).

Almost surely, 2^{222111001111110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222111001111110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279853551149760).

222111001111110 is an abundant number, since it is smaller than the sum of its proper divisors (337596101188410).

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

222111001111110 is a wasteful number, since it uses less digits than its factorization.

222111001111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12885962.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 222111001111110 its reverse (11111100111222), we get a palindrome (233222101222332).

The spelling of 222111001111110 in words is "two hundred twenty-two trillion, one hundred eleven billion, one million, one hundred eleven thousand, one hundred ten".