1000100012222 has 16 divisors (see below), whose sum is σ = 1553056005600. Its totient is φ = 482440825440.

The previous prime is 1000100012213. The next prime is 1000100012237. The reversal of 1000100012222 is 2222100010001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6459929 + ... + 6612932.

It is an arithmetic number, because the mean of its divisors is an integer number (97066000350).

Almost surely, 2^{1000100012222} is an apocalyptic number.

1000100012222 is a deficient number, since it is larger than the sum of its proper divisors (552955993378).

1000100012222 is a wasteful number, since it uses less digits than its factorization.

1000100012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074211.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000100012222 its reverse (2222100010001), we get a palindrome (3222200022223).

It can be divided in two parts, 100010001 and 2222, that multiplied together give a palindrome (222222222222).

The spelling of 1000100012222 in words is "one trillion, one hundred million, twelve thousand, two hundred twenty-two".