1000011112222 has 4 divisors (see below), whose sum is σ = 1500016668336. Its totient is φ = 500005556110.

The previous prime is 1000011112213. The next prime is 1000011112231. The reversal of 1000011112222 is 2222111100001.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1000011112213) and next prime (1000011112231).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250002778054 + ... + 250002778057.

It is an arithmetic number, because the mean of its divisors is an integer number (375004167084).

Almost surely, 2^{1000011112222} is an apocalyptic number.

1000011112222 is a deficient number, since it is larger than the sum of its proper divisors (500005556114).

1000011112222 is an equidigital number, since it uses as much as digits as its factorization.

1000011112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500005556113.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000011112222 its reverse (2222111100001), we get a palindrome (3222122212223).

The spelling of 1000011112222 in words is "one trillion, eleven million, one hundred twelve thousand, two hundred twenty-two".