1102120211 has 2 divisors, whose sum is σ = 1102120212. Its totient is φ = 1102120210.

The previous prime is 1102120207. The next prime is 1102120219. The reversal of 1102120211 is 1120212011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102120211 - 2² = 1102120207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102120192 and 1102120201.

It is not a weakly prime, because it can be changed into another prime (1102120219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551060105 + 551060106.

It is an arithmetic number, because the mean of its divisors is an integer number (551060106).

Almost surely, 2^1102120211 is an apocalyptic number.

1102120211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102120211 is an equidigital number, since it uses as much as digits as its factorization.

1102120211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1102120211 is about 33198.1958997774. The cubic root of 1102120211 is about 1032.9429175706.

Adding to 1102120211 its reverse (1120212011), we get a palindrome (2222332222).

The spelling of 1102120211 in words is "one billion, one hundred two million, one hundred twenty thousand, two hundred eleven".