1122100021009 has 8 divisors (see below), whose sum is σ = 1225441126080. Its totient is φ = 1018980918000.

The previous prime is 1122100020949. The next prime is 1122100021033. The reversal of 1122100021009 is 9001200012211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122100021009 - 2¹⁵ = 1122099988241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122100022009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55489942 + ... + 55510159.

It is an arithmetic number, because the mean of its divisors is an integer number (153180140760).

Almost surely, 2^{1122100021009} is an apocalyptic number.

It is an amenable number.

1122100021009 is a deficient number, since it is larger than the sum of its proper divisors (103341105071).

1122100021009 is a wasteful number, since it uses less digits than its factorization.

1122100021009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111001031.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 1122100021009 in words is "one trillion, one hundred twenty-two billion, one hundred million, twenty-one thousand, nine".