22221021122211 has 8 divisors (see below), whose sum is σ = 29672851203664. Its totient is φ = 14791602561120.

The previous prime is 22221021122203. The next prime is 22221021122273. The reversal of 22221021122211 is 11222112012222.

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

It is not a de Polignac number, because 22221021122211 - 2³ = 22221021122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221021102211) 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, 5602877776 + ... + 5602881741.

It is an arithmetic number, because the mean of its divisors is an integer number (3709106400458).

Almost surely, 2^{22221021122211} is an apocalyptic number.

22221021122211 is a deficient number, since it is larger than the sum of its proper divisors (7451830081453).

22221021122211 is a wasteful number, since it uses less digits than its factorization.

22221021122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205760181.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22221021122211 its reverse (11222112012222), we get a palindrome (33443133134433).

The spelling of 22221021122211 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-one million, one hundred twenty-two thousand, two hundred eleven".