10001002222222 has 32 divisors (see below), whose sum is σ = 17612004304224. Its totient is φ = 4208364211200.

The previous prime is 10001002222187. The next prime is 10001002222249. The reversal of 10001002222222 is 22222220010001.

10001002222222 is a modest number, since divided by 2222222 gives 1000100 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10001002222196 and 10001002222205.

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 15 ways as a sum of consecutive naturals, for example, 219162823 + ... + 219208450.

It is an arithmetic number, because the mean of its divisors is an integer number (550375134507).

Almost surely, 2^{10001002222222} is an apocalyptic number.

10001002222222 is a deficient number, since it is larger than the sum of its proper divisors (7611002082002).

10001002222222 is a wasteful number, since it uses less digits than its factorization.

10001002222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438371364.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10001002222222 its reverse (22222220010001), we get a palindrome (32223222232223).

The spelling of 10001002222222 in words is "ten trillion, one billion, two million, two hundred twenty-two thousand, two hundred twenty-two".