1001120112019 has 4 divisors (see below), whose sum is σ = 1001122516296. Its totient is φ = 1001117707744.

The previous prime is 1001120111989. The next prime is 1001120112023. The reversal of 1001120112019 is 9102110211001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1001120112019 - 2¹¹ = 1001120109971 is a prime.

It is a super-2 number, since 2×1001120112019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001120111987 and 1001120112005.

It is not an unprimeable number, because it can be changed into a prime (1001120112049) 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, 398449 + ... + 1470034.

It is an arithmetic number, because the mean of its divisors is an integer number (250280629074).

Almost surely, 2^{1001120112019} is an apocalyptic number.

1001120112019 is a deficient number, since it is larger than the sum of its proper divisors (2404277).

1001120112019 is an equidigital number, since it uses as much as digits as its factorization.

1001120112019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404276.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 1001120112019 in words is "one trillion, one billion, one hundred twenty million, one hundred twelve thousand, nineteen".