22112200021211 has 2 divisors, whose sum is σ = 22112200021212. Its totient is φ = 22112200021210.

The previous prime is 22112200021201. The next prime is 22112200021273. The reversal of 22112200021211 is 11212000221122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22112200021211 - 2¹⁰ = 22112200020187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22112200021211.

It is not a weakly prime, because it can be changed into another prime (22112200021201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056100010605 + 11056100010606.

It is an arithmetic number, because the mean of its divisors is an integer number (11056100010606).

Almost surely, 2^{22112200021211} is an apocalyptic number.

22112200021211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112200021211 is an equidigital number, since it uses as much as digits as its factorization.

22112200021211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112200021211 its reverse (11212000221122), we get a palindrome (33324200242333).

The spelling of 22112200021211 in words is "twenty-two trillion, one hundred twelve billion, two hundred million, twenty-one thousand, two hundred eleven".