1122200109 has 16 divisors (see below), whose sum is σ = 1663824640. Its totient is φ = 747545760.

The previous prime is 1122200099. The next prime is 1122200117. The reversal of 1122200109 is 9010022211.

It is not a de Polignac number, because 1122200109 - 2²⁰ = 1121151533 is a prime.

It is a super-2 number, since 2×1122200109² = 2518666169279223762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122200091 and 1122200100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122200129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20169 + ... + 51489.

It is an arithmetic number, because the mean of its divisors is an integer number (103989040).

Almost surely, 2^1122200109 is an apocalyptic number.

It is an amenable number.

1122200109 is a deficient number, since it is larger than the sum of its proper divisors (541624531).

1122200109 is a wasteful number, since it uses less digits than its factorization.

1122200109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32657 (or 32651 counting only the distinct ones).

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

The square root of 1122200109 is about 33499.2553499328. The cubic root of 1122200109 is about 1039.1783787484.

The spelling of 1122200109 in words is "one billion, one hundred twenty-two million, two hundred thousand, one hundred nine".