100002222112 has 48 divisors (see below), whose sum is σ = 223183114560. Its totient is φ = 43725664512.

The previous prime is 100002222109. The next prime is 100002222113. The reversal of 100002222112 is 211222200001.

It is a happy number.

It is a super-5 number, since 5×100002222112⁵ (a number of 56 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 100002222092 and 100002222101.

It is not an unprimeable number, because it can be changed into a prime (100002222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6318148 + ... + 6333955.

It is an arithmetic number, because the mean of its divisors is an integer number (4649648220).

Almost surely, 2^100002222112 is an apocalyptic number.

It is an amenable number.

100002222112 is an abundant number, since it is smaller than the sum of its proper divisors (123180892448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100002222112 is a wasteful number, since it uses less digits than its factorization.

100002222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652145 (or 12652137 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100002222112 its reverse (211222200001), we get a palindrome (311224422113).

The spelling of 100002222112 in words is "one hundred billion, two million, two hundred twenty-two thousand, one hundred twelve".