1122220001209 has 16 divisors (see below), whose sum is σ = 1202952326400. Its totient is φ = 1044927950976.

The previous prime is 1122220001179. The next prime is 1122220001237. The reversal of 1122220001209 is 9021000222211.

It is a cyclic number.

It is not a de Polignac number, because 1122220001209 - 2⁷ = 1122220001081 is a prime.

It is a super-2 number, since 2×1122220001209² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122220001209.

It is not an unprimeable number, because it can be changed into a prime (1122220001269) 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, 5597284 + ... + 5794309.

It is an arithmetic number, because the mean of its divisors is an integer number (75184520400).

Almost surely, 2^{1122220001209} is an apocalyptic number.

It is an amenable number.

1122220001209 is a deficient number, since it is larger than the sum of its proper divisors (80732325191).

1122220001209 is a wasteful number, since it uses less digits than its factorization.

1122220001209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391744.

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

The spelling of 1122220001209 in words is "one trillion, one hundred twenty-two billion, two hundred twenty million, one thousand, two hundred nine".