22212011122111 has 8 divisors (see below), whose sum is σ = 22221393828480. Its totient is φ = 22202630383512.

The previous prime is 22212011121941. The next prime is 22212011122303. The reversal of 22212011122111 is 11122111021222.

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 22212011122111 - 2³⁷ = 22074572168639 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 (22212011122711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22311270 + ... + 23285548.

It is an arithmetic number, because the mean of its divisors is an integer number (2777674228560).

Almost surely, 2^{22212011122111} is an apocalyptic number.

22212011122111 is a deficient number, since it is larger than the sum of its proper divisors (9382706369).

22212011122111 is an equidigital number, since it uses as much as digits as its factorization.

22212011122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983885.

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

Adding to 22212011122111 its reverse (11122111021222), we get a palindrome (33334122143333).

The spelling of 22212011122111 in words is "twenty-two trillion, two hundred twelve billion, eleven million, one hundred twenty-two thousand, one hundred eleven".