2221000212211 has 8 divisors (see below), whose sum is σ = 2446898524848. Its totient is φ = 1999100100000.

The previous prime is 2221000212181. The next prime is 2221000212217. The reversal of 2221000212211 is 1122120001222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221000212211 - 2⁹ = 2221000211699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221000212217) 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, 999548940 + ... + 999551161.

It is an arithmetic number, because the mean of its divisors is an integer number (305862315606).

Almost surely, 2^{2221000212211} is an apocalyptic number.

2221000212211 is a deficient number, since it is larger than the sum of its proper divisors (225898312637).

2221000212211 is a wasteful number, since it uses less digits than its factorization.

2221000212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999100213.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221000212211 its reverse (1122120001222), we get a palindrome (3343120213433).

The spelling of 2221000212211 in words is "two trillion, two hundred twenty-one billion, two hundred twelve thousand, two hundred eleven".