2210002012221 has 16 divisors (see below), whose sum is σ = 3044320892928. Its totient is φ = 1424590081200.

The previous prime is 2210002012193. The next prime is 2210002012247. The reversal of 2210002012221 is 1222102000122.

It is not a de Polignac number, because 2210002012221 - 2¹⁴ = 2210001995837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2210002012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210002012021) 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, 10037751 + ... + 10255556.

It is an arithmetic number, because the mean of its divisors is an integer number (190270055808).

Almost surely, 2^{2210002012221} is an apocalyptic number.

It is an amenable number.

2210002012221 is a deficient number, since it is larger than the sum of its proper divisors (834318880707).

2210002012221 is a wasteful number, since it uses less digits than its factorization.

2210002012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20294512.

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

Adding to 2210002012221 its reverse (1222102000122), we get a palindrome (3432104012343).

The spelling of 2210002012221 in words is "two trillion, two hundred ten billion, two million, twelve thousand, two hundred twenty-one".