1121200022209 has 2 divisors, whose sum is σ = 1121200022210. Its totient is φ = 1121200022208.

The previous prime is 1121200022183. The next prime is 1121200022231. The reversal of 1121200022209 is 9022200021211.

It is an a-pointer prime, because the next prime (1121200022231) can be obtained adding 1121200022209 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781977647025 + 339222375184 = 884295^2 + 582428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121200022209 is a prime.

It is a super-3 number, since 3×1121200022209³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1121200022209.

It is not a weakly prime, because it can be changed into another prime (1121200026209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560600011104 + 560600011105.

It is an arithmetic number, because the mean of its divisors is an integer number (560600011105).

Almost surely, 2^{1121200022209} is an apocalyptic number.

It is an amenable number.

1121200022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121200022209 is an equidigital number, since it uses as much as digits as its factorization.

1121200022209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1121200022209 in words is "one trillion, one hundred twenty-one billion, two hundred million, twenty-two thousand, two hundred nine".