100001002221002 has 24 divisors (see below), whose sum is σ = 153582030056160. Its totient is φ = 48834202543560.

The previous prime is 100001002220953. The next prime is 100001002221007. The reversal of 100001002221002 is 200122200100001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100001002221007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51073649 + ... + 52995467.

It is an arithmetic number, because the mean of its divisors is an integer number (6399251252340).

Almost surely, 2^{100001002221002} is an apocalyptic number.

100001002221002 is a deficient number, since it is larger than the sum of its proper divisors (53581027835158).

100001002221002 is a wasteful number, since it uses less digits than its factorization.

100001002221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935978 (or 1935935 counting only the distinct ones).

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

Adding to 100001002221002 its reverse (200122200100001), we get a palindrome (300123202321003).

The spelling of 100001002221002 in words is "one hundred trillion, one billion, two million, two hundred twenty-one thousand, two".