2111121222227 has 2 divisors, whose sum is σ = 2111121222228. Its totient is φ = 2111121222226.

The previous prime is 2111121222209. The next prime is 2111121222233. The reversal of 2111121222227 is 7222221211112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111121222227 - 2¹⁰ = 2111121221203 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111121222196 and 2111121222205.

It is not a weakly prime, because it can be changed into another prime (2111121222277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055560611113 + 1055560611114.

It is an arithmetic number, because the mean of its divisors is an integer number (1055560611114).

Almost surely, 2^{2111121222227} is an apocalyptic number.

2111121222227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111121222227 is an equidigital number, since it uses as much as digits as its factorization.

2111121222227 is an evil number, because the sum of its binary digits is even.

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

Adding to 2111121222227 its reverse (7222221211112), we get a palindrome (9333342433339).

The spelling of 2111121222227 in words is "two trillion, one hundred eleven billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred twenty-seven".