1101022209 has 36 divisors (see below), whose sum is σ = 1900045524. Its totient is φ = 612142272.

The previous prime is 1101022201. The next prime is 1101022229. The reversal of 1101022209 is 9022201011.

It can be written as a sum of positive squares in 2 ways, for example, as 889232400 + 211789809 = 29820^2 + 14553^2 .

It is not a de Polignac number, because 1101022209 - 2³ = 1101022201 is a prime.

It is a super-2 number, since 2×1101022209² = 2424499809422479362, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1101022191 and 1101022200.

It is not an unprimeable number, because it can be changed into a prime (1101022201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17422 + ... + 50055.

Almost surely, 2^1101022209 is an apocalyptic number.

It is an amenable number.

1101022209 is a deficient number, since it is larger than the sum of its proper divisors (799023315).

1101022209 is a wasteful number, since it uses less digits than its factorization.

1101022209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67534 (or 67524 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1101022209 is about 33181.6547055749. The cubic root of 1101022209 is about 1032.5997758601.

The spelling of 1101022209 in words is "one billion, one hundred one million, twenty-two thousand, two hundred nine".