1122112001009 has 4 divisors (see below), whose sum is σ = 1130947528704. Its totient is φ = 1113276473316.

The previous prime is 1122112000993. The next prime is 1122112001057. The reversal of 1122112001009 is 9001002112211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1122112001009 - 2⁴ = 1122112000993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122112061009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4417763657 + ... + 4417763910.

It is an arithmetic number, because the mean of its divisors is an integer number (282736882176).

Almost surely, 2^{1122112001009} is an apocalyptic number.

It is an amenable number.

1122112001009 is a deficient number, since it is larger than the sum of its proper divisors (8835527695).

1122112001009 is an equidigital number, since it uses as much as digits as its factorization.

1122112001009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8835527694.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 1122112001009 in words is "one trillion, one hundred twenty-two billion, one hundred twelve million, one thousand, nine".