1001100022222 has 16 divisors (see below), whose sum is σ = 1509290460000. Its totient is φ = 498003517440.

The previous prime is 1001100022213. The next prime is 1001100022301. The reversal of 1001100022222 is 2222200011001.

It is a happy number.

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, 7113822 + ... + 7253182.

It is an arithmetic number, because the mean of its divisors is an integer number (94330653750).

Almost surely, 2^{1001100022222} is an apocalyptic number.

1001100022222 is a deficient number, since it is larger than the sum of its proper divisors (508190437778).

1001100022222 is a wasteful number, since it uses less digits than its factorization.

1001100022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157611.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001100022222 its reverse (2222200011001), we get a palindrome (3223300033223).

The spelling of 1001100022222 in words is "one trillion, one billion, one hundred million, twenty-two thousand, two hundred twenty-two".