1102222811 has 2 divisors, whose sum is σ = 1102222812. Its totient is φ = 1102222810.

The previous prime is 1102222799. The next prime is 1102222831. The reversal of 1102222811 is 1182222011.

It is an a-pointer prime, because the next prime (1102222831) can be obtained adding 1102222811 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102222811 - 2⁶ = 1102222747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102222831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551111405 + 551111406.

It is an arithmetic number, because the mean of its divisors is an integer number (551111406).

Almost surely, 2^1102222811 is an apocalyptic number.

1102222811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102222811 is an equidigital number, since it uses as much as digits as its factorization.

1102222811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1102222811 is about 33199.7411285088. The cubic root of 1102222811 is about 1032.9749699286.

Adding to 1102222811 its reverse (1182222011), we get a palindrome (2284444822).

It can be divided in two parts, 11022 and 22811, that added together give a palindrome (33833).

The spelling of 1102222811 in words is "one billion, one hundred two million, two hundred twenty-two thousand, eight hundred eleven".