1000111220222 has 4 divisors (see below), whose sum is σ = 1500166830336. Its totient is φ = 500055610110.

The previous prime is 1000111220201. The next prime is 1000111220239. The reversal of 1000111220222 is 2220221110001.

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

It is a super-3 number, since 3×1000111220222³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000111220197 and 1000111220206.

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, 250027805054 + ... + 250027805057.

It is an arithmetic number, because the mean of its divisors is an integer number (375041707584).

Almost surely, 2^{1000111220222} is an apocalyptic number.

1000111220222 is a deficient number, since it is larger than the sum of its proper divisors (500055610114).

1000111220222 is an equidigital number, since it uses as much as digits as its factorization.

1000111220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500055610113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1000111220222 its reverse (2220221110001), we get a palindrome (3220332330223).

The spelling of 1000111220222 in words is "one trillion, one hundred eleven million, two hundred twenty thousand, two hundred twenty-two".