100222122001 has 4 divisors (see below), whose sum is σ = 100227026404. Its totient is φ = 100217217600.

The previous prime is 100222121983. The next prime is 100222122023. The reversal of 100222122001 is 100221222001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25575685776 + 74646436225 = 159924^2 + 273215^2 .

It is a cyclic number.

It is not a de Polignac number, because 100222122001 - 2¹³ = 100222113809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222125001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421420 + ... + 2462461.

It is an arithmetic number, because the mean of its divisors is an integer number (25056756601).

Almost surely, 2^100222122001 is an apocalyptic number.

It is an amenable number.

100222122001 is a deficient number, since it is larger than the sum of its proper divisors (4904403).

100222122001 is an equidigital number, since it uses as much as digits as its factorization.

100222122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4904402.

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

Adding to 100222122001 its reverse (100221222001), we get a palindrome (200443344002).

The spelling of 100222122001 in words is "one hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, one".