1103202209 has 2 divisors, whose sum is σ = 1103202210. Its totient is φ = 1103202208.

The previous prime is 1103202127. The next prime is 1103202229. The reversal of 1103202209 is 9022023011.

It is an a-pointer prime, because the next prime (1103202229) can be obtained adding 1103202209 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 596727184 + 506475025 = 24428^2 + 22505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103202209 - 2²⁴ = 1086424993 is a prime.

It is a super-2 number, since 2×1103202209² = 2434110227884959362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1103202229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551601104 + 551601105.

It is an arithmetic number, because the mean of its divisors is an integer number (551601105).

Almost surely, 2^1103202209 is an apocalyptic number.

It is an amenable number.

1103202209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103202209 is an equidigital number, since it uses as much as digits as its factorization.

1103202209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1103202209 is about 33214.4879382477. The cubic root of 1103202209 is about 1033.2808349210.

The spelling of 1103202209 in words is "one billion, one hundred three million, two hundred two thousand, two hundred nine".