2212211000221 has 16 divisors (see below), whose sum is σ = 2301476978944. Its totient is φ = 2124839775744.

The previous prime is 2212211000183. The next prime is 2212211000243. The reversal of 2212211000221 is 1220001122122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2212211000221 - 2²⁷ = 2212076782493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212211000195 and 2212211000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212211000261) 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, 12220 + ... + 2103466.

It is an arithmetic number, because the mean of its divisors is an integer number (143842311184).

Almost surely, 2^{2212211000221} is an apocalyptic number.

It is an amenable number.

2212211000221 is a deficient number, since it is larger than the sum of its proper divisors (89265978723).

2212211000221 is a wasteful number, since it uses less digits than its factorization.

2212211000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091700.

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

Adding to 2212211000221 its reverse (1220001122122), we get a palindrome (3432212122343).

The spelling of 2212211000221 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-one", and thus it is an aban number.