100221222201 has 16 divisors (see below), whose sum is σ = 133957152000. Its totient is φ = 66649791488.

The previous prime is 100221222191. The next prime is 100221222203. The reversal of 100221222201 is 102222122001.

It is a cyclic number.

It is not a de Polignac number, because 100221222201 - 2⁹ = 100221221689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100221222203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10403455 + ... + 10413083.

It is an arithmetic number, because the mean of its divisors is an integer number (8372322000).

Almost surely, 2^100221222201 is an apocalyptic number.

It is an amenable number.

100221222201 is a deficient number, since it is larger than the sum of its proper divisors (33735929799).

100221222201 is an equidigital number, since it uses as much as digits as its factorization.

100221222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17808.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100221222201 its reverse (102222122001), we get a palindrome (202443344202).

The spelling of 100221222201 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".