22202100100221 has 8 divisors (see below), whose sum is σ = 29602846369344. Its totient is φ = 14801376948960.

The previous prime is 22202100100211. The next prime is 22202100100249. The reversal of 22202100100221 is 12200100120222.

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

It is not a de Polignac number, because 22202100100221 - 2⁷ = 22202100100093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22202100100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202100100211) 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, 3398425 + ... + 7480206.

It is an arithmetic number, because the mean of its divisors is an integer number (3700355796168).

Almost surely, 2^{22202100100221} is an apocalyptic number.

It is an amenable number.

22202100100221 is a deficient number, since it is larger than the sum of its proper divisors (7400746269123).

22202100100221 is a wasteful number, since it uses less digits than its factorization.

22202100100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11558931.

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

Adding to 22202100100221 its reverse (12200100120222), we get a palindrome (34402200220443).

The spelling of 22202100100221 in words is "twenty-two trillion, two hundred two billion, one hundred million, one hundred thousand, two hundred twenty-one".