100001000220201 has 24 divisors (see below), whose sum is σ = 144753741752256. Its totient is φ = 66525285578400.

The previous prime is 100001000220181. The next prime is 100001000220217. The reversal of 100001000220201 is 102022000100001.

It is not a de Polignac number, because 100001000220201 - 2⁷ = 100001000220073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (100001000220241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30172926 + ... + 33322776.

It is an arithmetic number, because the mean of its divisors is an integer number (6031405906344).

Almost surely, 2^{100001000220201} is an apocalyptic number.

It is an amenable number.

100001000220201 is a deficient number, since it is larger than the sum of its proper divisors (44752741532055).

100001000220201 is a wasteful number, since it uses less digits than its factorization.

100001000220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157373 (or 3157370 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100001000220201 its reverse (102022000100001), we get a palindrome (202023000320202).

The spelling of 100001000220201 in words is "one hundred trillion, one billion, two hundred twenty thousand, two hundred one".