2211022000221 has 32 divisors (see below), whose sum is σ = 3119810749440. Its totient is φ = 1388966724864.

The previous prime is 2211022000217. The next prime is 2211022000273. The reversal of 2211022000221 is 1220002201122.

It is not a de Polignac number, because 2211022000221 - 2² = 2211022000217 is a prime.

It is a super-2 number, since 2×2211022000221² (a number of 25 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 2211022000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211022000211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13673781 + ... + 13834533.

It is an arithmetic number, because the mean of its divisors is an integer number (97494085920).

Almost surely, 2^{2211022000221} is an apocalyptic number.

It is an amenable number.

2211022000221 is a deficient number, since it is larger than the sum of its proper divisors (908788749219).

2211022000221 is a wasteful number, since it uses less digits than its factorization.

2211022000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162065.

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

Adding to 2211022000221 its reverse (1220002201122), we get a palindrome (3431024201343).

The spelling of 2211022000221 in words is "two trillion, two hundred eleven billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.