1122120200999 has 16 divisors (see below), whose sum is σ = 1357989043968. Its totient is φ = 905153622912.

The previous prime is 1122120200989. The next prime is 1122120201011. The reversal of 1122120200999 is 9990020212211.

It is a happy number.

It is not a de Polignac number, because 1122120200999 - 2⁴⁰ = 22608573223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122120200969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820952 + ... + 1708274.

It is an arithmetic number, because the mean of its divisors is an integer number (84874315248).

Almost surely, 2^{1122120200999} is an apocalyptic number.

1122120200999 is a deficient number, since it is larger than the sum of its proper divisors (235868842969).

1122120200999 is a wasteful number, since it uses less digits than its factorization.

1122120200999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897974.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 1122120200999 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, two hundred thousand, nine hundred ninety-nine".