2111112221222 has 8 divisors (see below), whose sum is σ = 3333335086200. Its totient is φ = 1000000525824.

The previous prime is 2111112221201. The next prime is 2111112221291. The reversal of 2111112221222 is 2221222111112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2111112221194 and 2111112221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27777792347 + ... + 27777792422.

It is an arithmetic number, because the mean of its divisors is an integer number (416666885775).

Almost surely, 2^{2111112221222} is an apocalyptic number.

2111112221222 is a deficient number, since it is larger than the sum of its proper divisors (1222222864978).

2111112221222 is a wasteful number, since it uses less digits than its factorization.

2111112221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55555584790.

The product of its digits is 128, while the sum is 20.

Adding to 2111112221222 its reverse (2221222111112), we get a palindrome (4332334332334).

The spelling of 2111112221222 in words is "two trillion, one hundred eleven billion, one hundred twelve million, two hundred twenty-one thousand, two hundred twenty-two".