22100210110221 has 4 divisors (see below), whose sum is σ = 29466946813632. Its totient is φ = 14733473406812.

The previous prime is 22100210110219. The next prime is 22100210110309. The reversal of 22100210110221 is 12201101200122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22100210110221 - 2¹ = 22100210110219 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100210110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100210110621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3683368351701 + ... + 3683368351706.

It is an arithmetic number, because the mean of its divisors is an integer number (7366736703408).

Almost surely, 2^{22100210110221} is an apocalyptic number.

It is an amenable number.

22100210110221 is a deficient number, since it is larger than the sum of its proper divisors (7366736703411).

22100210110221 is an equidigital number, since it uses as much as digits as its factorization.

22100210110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7366736703410.

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

Adding to 22100210110221 its reverse (12201101200122), we get a palindrome (34301311310343).

The spelling of 22100210110221 in words is "twenty-two trillion, one hundred billion, two hundred ten million, one hundred ten thousand, two hundred twenty-one".