22210121211211 has 8 divisors (see below), whose sum is σ = 22417883039664. Its totient is φ = 22002362912640.

The previous prime is 22210121211203. The next prime is 22210121211217. The reversal of 22210121211211 is 11211212101222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22210121211211 - 2³ = 22210121211203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210121211217) 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, 12739231 + ... + 14377351.

It is an arithmetic number, because the mean of its divisors is an integer number (2802235379958).

Almost surely, 2^{22210121211211} is an apocalyptic number.

22210121211211 is a deficient number, since it is larger than the sum of its proper divisors (207761828453).

22210121211211 is a wasteful number, since it uses less digits than its factorization.

22210121211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764941.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 22210121211211 its reverse (11211212101222), we get a palindrome (33421333312433).

The spelling of 22210121211211 in words is "twenty-two trillion, two hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, two hundred eleven".