22102110100221 has 8 divisors (see below), whose sum is σ = 30265952569824. Its totient is φ = 14336503848720.

The previous prime is 22102110100201. The next prime is 22102110100241. The reversal of 22102110100221 is 12200101120122.

It is an interprime number because it is at equal distance from previous prime (22102110100201) and next prime (22102110100241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22102110100221 - 2¹⁰ = 22102110099197 is a prime.

It is a super-2 number, since 2×22102110100221² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22102110100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22102110100201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99559054395 + ... + 99559054616.

It is an arithmetic number, because the mean of its divisors is an integer number (3783244071228).

Almost surely, 2^{22102110100221} is an apocalyptic number.

It is an amenable number.

22102110100221 is a deficient number, since it is larger than the sum of its proper divisors (8163842469603).

22102110100221 is a wasteful number, since it uses less digits than its factorization.

22102110100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199118109051.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22102110100221 its reverse (12200101120122), we get a palindrome (34302211220343).

The spelling of 22102110100221 in words is "twenty-two trillion, one hundred two billion, one hundred ten million, one hundred thousand, two hundred twenty-one".