1000001111222 has 16 divisors (see below), whose sum is σ = 1554276252672. Its totient is φ = 482031681960.

The previous prime is 1000001111159. The next prime is 1000001111233. The reversal of 1000001111222 is 2221111000001.

It is a super-3 number, since 3×1000001111222³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30647288 + ... + 30679899.

It is an arithmetic number, because the mean of its divisors is an integer number (97142265792).

Almost surely, 2^{1000001111222} is an apocalyptic number.

1000001111222 is a deficient number, since it is larger than the sum of its proper divisors (554275141450).

1000001111222 is a wasteful number, since it uses less digits than its factorization.

1000001111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61327483.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000001111222 its reverse (2221111000001), we get a palindrome (3221112111223).

The spelling of 1000001111222 in words is "one trillion, one million, one hundred eleven thousand, two hundred twenty-two".