10001012222 has 4 divisors (see below), whose sum is σ = 15001518336. Its totient is φ = 5000506110.

The previous prime is 10001012183. The next prime is 10001012233. The reversal of 10001012222 is 22221010001.

It is a happy number.

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

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 as a sum of consecutive naturals, namely, 2500253054 + ... + 2500253057.

It is an arithmetic number, because the mean of its divisors is an integer number (3750379584).

Almost surely, 2^10001012222 is an apocalyptic number.

10001012222 is a deficient number, since it is larger than the sum of its proper divisors (5000506114).

10001012222 is an equidigital number, since it uses as much as digits as its factorization.

10001012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000506113.

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

Adding to 10001012222 its reverse (22221010001), we get a palindrome (32222022223).

The spelling of 10001012222 in words is "ten billion, one million, twelve thousand, two hundred twenty-two".