100001023222222 has 16 divisors (see below), whose sum is σ = 158604407861760. Its totient is φ = 47156489115192.

The previous prime is 100001023222213. The next prime is 100001023222249. The reversal of 100001023222222 is 222222320100001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 100001023222222.

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, 5900453128 + ... + 5900470075.

It is an arithmetic number, because the mean of its divisors is an integer number (9912775491360).

Almost surely, 2^{100001023222222} is an apocalyptic number.

100001023222222 is a deficient number, since it is larger than the sum of its proper divisors (58603384639538).

100001023222222 is a wasteful number, since it uses less digits than its factorization.

100001023222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800923447.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 100001023222222 its reverse (222222320100001), we get a palindrome (322223343322223).

The spelling of 100001023222222 in words is "one hundred trillion, one billion, twenty-three million, two hundred twenty-two thousand, two hundred twenty-two".