22210210000221 has 16 divisors (see below), whose sum is σ = 29670839634240. Its totient is φ = 14778194670720.

The previous prime is 22210210000217. The next prime is 22210210000229. The reversal of 22210210000221 is 12200001201222.

It is not a de Polignac number, because 22210210000221 - 2² = 22210210000217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22210210000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210210000229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98528881 + ... + 98754041.

It is an arithmetic number, because the mean of its divisors is an integer number (1854427477140).

Almost surely, 2^{22210210000221} is an apocalyptic number.

It is an amenable number.

22210210000221 is a deficient number, since it is larger than the sum of its proper divisors (7460629634019).

22210210000221 is a wasteful number, since it uses less digits than its factorization.

22210210000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288556.

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

Adding to 22210210000221 its reverse (12200001201222), we get a palindrome (34410211201443).

The spelling of 22210210000221 in words is "twenty-two trillion, two hundred ten billion, two hundred ten million, two hundred twenty-one", and thus it is an aban number.