10001111012222 has 32 divisors (see below), whose sum is σ = 16607820096000. Its totient is φ = 4478727304800.

The previous prime is 10001111012111. The next prime is 10001111012227. The reversal of 10001111012222 is 22221011110001.

It is a junction number, because it is equal to n+sod(n) for n = 10001111012197 and 10001111012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001111012227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103097 + ... + 4473572.

It is an arithmetic number, because the mean of its divisors is an integer number (518994378000).

Almost surely, 2^{10001111012222} is an apocalyptic number.

10001111012222 is a deficient number, since it is larger than the sum of its proper divisors (6606709083778).

10001111012222 is a wasteful number, since it uses less digits than its factorization.

10001111012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578152.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10001111012222 its reverse (22221011110001), we get a palindrome (32222122122223).

The spelling of 10001111012222 in words is "ten trillion, one billion, one hundred eleven million, twelve thousand, two hundred twenty-two".