22211011212227 has 2 divisors, whose sum is σ = 22211011212228. Its totient is φ = 22211011212226.

The previous prime is 22211011212199. The next prime is 22211011212239. The reversal of 22211011212227 is 72221211011222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211011212227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22211011212196 and 22211011212205.

It is not a weakly prime, because it can be changed into another prime (22211011202227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105505606113 + 11105505606114.

It is an arithmetic number, because the mean of its divisors is an integer number (11105505606114).

Almost surely, 2^{22211011212227} is an apocalyptic number.

22211011212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211011212227 is an equidigital number, since it uses as much as digits as its factorization.

22211011212227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 22211011212227 its reverse (72221211011222), we get a palindrome (94432222223449).

The spelling of 22211011212227 in words is "twenty-two trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, two hundred twenty-seven".