22221001001211 has 16 divisors (see below), whose sum is σ = 29689763587200. Its totient is φ = 14783135744000.

The previous prime is 22221001001189. The next prime is 22221001001219. The reversal of 22221001001211 is 11210010012222.

It is a cyclic number.

It is not a de Polignac number, because 22221001001211 - 2²² = 22220996806907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221001001219) 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, 3467515 + ... + 7514363.

It is an arithmetic number, because the mean of its divisors is an integer number (1855610224200).

Almost surely, 2^{22221001001211} is an apocalyptic number.

22221001001211 is a deficient number, since it is larger than the sum of its proper divisors (7468762585989).

22221001001211 is a wasteful number, since it uses less digits than its factorization.

22221001001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050666.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22221001001211 its reverse (11210010012222), we get a palindrome (33431011013433).

The spelling of 22221001001211 in words is "twenty-two trillion, two hundred twenty-one billion, one million, one thousand, two hundred eleven".