22121211104211 has 8 divisors (see below), whose sum is σ = 29494970272000. Its totient is φ = 14747463002952.

The previous prime is 22121211104191. The next prime is 22121211104231. The reversal of 22121211104211 is 11240111212122.

It is an interprime number because it is at equal distance from previous prime (22121211104191) and next prime (22121211104231).

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

It is not a de Polignac number, because 22121211104211 - 2³⁰ = 22120137362387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121211104231) 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, 5062866 + ... + 8359128.

It is an arithmetic number, because the mean of its divisors is an integer number (3686871284000).

Almost surely, 2^{22121211104211} is an apocalyptic number.

22121211104211 is a deficient number, since it is larger than the sum of its proper divisors (7373759167789).

22121211104211 is a wasteful number, since it uses less digits than its factorization.

22121211104211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533265.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 22121211104211 its reverse (11240111212122), we get a palindrome (33361322316333).

The spelling of 22121211104211 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred eleven million, one hundred four thousand, two hundred eleven".