22212022211111 has 8 divisors (see below), whose sum is σ = 22223588640000. Its totient is φ = 22200456241080.

The previous prime is 22212022211101. The next prime is 22212022211179. The reversal of 22212022211111 is 11111222021222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212022211111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212022211101) 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, 141968756 + ... + 142125126.

It is an arithmetic number, because the mean of its divisors is an integer number (2777948580000).

Almost surely, 2^{22212022211111} is an apocalyptic number.

22212022211111 is a deficient number, since it is larger than the sum of its proper divisors (11566428889).

22212022211111 is a wasteful number, since it uses less digits than its factorization.

22212022211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229429.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22212022211111 its reverse (11111222021222), we get a palindrome (33323244232333).

The spelling of 22212022211111 in words is "twenty-two trillion, two hundred twelve billion, twenty-two million, two hundred eleven thousand, one hundred eleven".