100001020222 has 16 divisors (see below), whose sum is σ = 154995691392. Its totient is φ = 48339027360.

The previous prime is 100001020213. The next prime is 100001020237. The reversal of 100001020222 is 222020100001.

It is a junction number, because it is equal to n+sod(n) for n = 100001020199 and 100001020208.

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 7 ways as a sum of consecutive naturals, for example, 747073 + ... + 870700.

It is an arithmetic number, because the mean of its divisors is an integer number (9687230712).

Almost surely, 2^100001020222 is an apocalyptic number.

100001020222 is a deficient number, since it is larger than the sum of its proper divisors (54994671170).

100001020222 is a wasteful number, since it uses less digits than its factorization.

100001020222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618803.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100001020222 its reverse (222020100001), we get a palindrome (322021120223).

The spelling of 100001020222 in words is "one hundred billion, one million, twenty thousand, two hundred twenty-two".