22221001002211 has 16 divisors (see below), whose sum is σ = 25297379930880. Its totient is φ = 19320831687520.

The previous prime is 22221001002169. The next prime is 22221001002269. The reversal of 22221001002211 is 11220010012222.

It is a happy number.

It is not a de Polignac number, because 22221001002211 - 2¹³ = 22221000994019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221001002271) 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, 1281796 + ... + 6788593.

It is an arithmetic number, because the mean of its divisors is an integer number (1581086245680).

Almost surely, 2^{22221001002211} is an apocalyptic number.

22221001002211 is a deficient number, since it is larger than the sum of its proper divisors (3076378928669).

22221001002211 is a wasteful number, since it uses less digits than its factorization.

22221001002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8081306.

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

Adding to 22221001002211 its reverse (11220010012222), we get a palindrome (33441011014433).

The spelling of 22221001002211 in words is "twenty-two trillion, two hundred twenty-one billion, one million, two thousand, two hundred eleven".