22212111112211 has 8 divisors (see below), whose sum is σ = 22588662796800. Its totient is φ = 21835561935240.

The previous prime is 22212111112199. The next prime is 22212111112271. The reversal of 22212111112211 is 11221111121222.

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 22212111112211 - 2³⁴ = 22194931243027 is a prime.

It is a super-2 number, since 2×22212111112211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212111112271) 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, 29030246 + ... + 29785556.

It is an arithmetic number, because the mean of its divisors is an integer number (2823582849600).

Almost surely, 2^{22212111112211} is an apocalyptic number.

22212111112211 is a deficient number, since it is larger than the sum of its proper divisors (376551684589).

22212111112211 is an equidigital number, since it uses as much as digits as its factorization.

22212111112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253809.

The product of its digits is 64, while the sum is 20.

Adding to 22212111112211 its reverse (11221111121222), we get a palindrome (33433222233433).

The spelling of 22212111112211 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, one hundred twelve thousand, two hundred eleven".