22221100202001 has 32 divisors (see below), whose sum is σ = 31205850739200. Its totient is φ = 14026127639040.

The previous prime is 22221100201967. The next prime is 22221100202017. The reversal of 22221100202001 is 10020200112222.

It is not a de Polignac number, because 22221100202001 - 2¹¹ = 22221100199953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221100202051) 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 31 ways as a sum of consecutive naturals, for example, 964990450 + ... + 965013476.

It is an arithmetic number, because the mean of its divisors is an integer number (975182835600).

Almost surely, 2^{22221100202001} is an apocalyptic number.

It is an amenable number.

22221100202001 is a deficient number, since it is larger than the sum of its proper divisors (8984750537199).

22221100202001 is a wasteful number, since it uses less digits than its factorization.

22221100202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32269.

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

Adding to 22221100202001 its reverse (10020200112222), we get a palindrome (32241300314223).

The spelling of 22221100202001 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred million, two hundred two thousand, one".