22011200001211 has 2 divisors, whose sum is σ = 22011200001212. Its totient is φ = 22011200001210.

The previous prime is 22011200001157. The next prime is 22011200001281. The reversal of 22011200001211 is 11210000211022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22011200001211 - 2²³ = 22011191612603 is a prime.

It is a super-2 number, since 2×22011200001211² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22011200001191 and 22011200001200.

It is not a weakly prime, because it can be changed into another prime (22011200001281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005600000605 + 11005600000606.

It is an arithmetic number, because the mean of its divisors is an integer number (11005600000606).

Almost surely, 2^{22011200001211} is an apocalyptic number.

22011200001211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011200001211 is an equidigital number, since it uses as much as digits as its factorization.

22011200001211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22011200001211 its reverse (11210000211022), we get a palindrome (33221200212233).

The spelling of 22011200001211 in words is "twenty-two trillion, eleven billion, two hundred million, one thousand, two hundred eleven".