1122001022009 has 12 divisors (see below), whose sum is σ = 1305915341904. Its totient is φ = 961176913704.

The previous prime is 1122001021987. The next prime is 1122001022041. The reversal of 1122001022009 is 9002201002211.

It is a happy number.

It is not a de Polignac number, because 1122001022009 - 2⁴⁰ = 22489394233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122001022099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6319259 + ... + 6494384.

It is an arithmetic number, because the mean of its divisors is an integer number (108826278492).

Almost surely, 2^{1122001022009} is an apocalyptic number.

It is an amenable number.

1122001022009 is a deficient number, since it is larger than the sum of its proper divisors (183914319895).

1122001022009 is a wasteful number, since it uses less digits than its factorization.

1122001022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12815444 (or 12815437 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1122001022009 in words is "one trillion, one hundred twenty-two billion, one million, twenty-two thousand, nine".