1122217122811 has 2 divisors, whose sum is σ = 1122217122812. Its totient is φ = 1122217122810.

The previous prime is 1122217122769. The next prime is 1122217122847. The reversal of 1122217122811 is 1182217122211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1182217122211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122217122811 - 2¹¹ = 1122217120763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122217422811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561108561405 + 561108561406.

It is an arithmetic number, because the mean of its divisors is an integer number (561108561406).

Almost surely, 2^{1122217122811} is an apocalyptic number.

1122217122811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122217122811 is an equidigital number, since it uses as much as digits as its factorization.

1122217122811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792, while the sum is 31.

The spelling of 1122217122811 in words is "one trillion, one hundred twenty-two billion, two hundred seventeen million, one hundred twenty-two thousand, eight hundred eleven".