22000100102221 has 32 divisors (see below), whose sum is σ = 22578156339200. Its totient is φ = 21430511677440.

The previous prime is 22000100102203. The next prime is 22000100102243. The reversal of 22000100102221 is 12220100100022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22000100102221 - 2⁴¹ = 19801076846669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000100100221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12507162340 + ... + 12507164098.

It is an arithmetic number, because the mean of its divisors is an integer number (705567385600).

Almost surely, 2^{22000100102221} is an apocalyptic number.

It is an amenable number.

22000100102221 is a deficient number, since it is larger than the sum of its proper divisors (578056236979).

22000100102221 is a wasteful number, since it uses less digits than its factorization.

22000100102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589.

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

Adding to 22000100102221 its reverse (12220100100022), we get a palindrome (34220200202243).

The spelling of 22000100102221 in words is "twenty-two trillion, one hundred million, one hundred two thousand, two hundred twenty-one".