1001112001019 has 12 divisors (see below), whose sum is σ = 1084144109616. Its totient is φ = 924018350112.

The previous prime is 1001112001013. The next prime is 1001112001031. The reversal of 1001112001019 is 9101002111001.

It is a happy number.

It is not a de Polignac number, because 1001112001019 - 2¹² = 1001111996923 is a prime.

It is a super-2 number, since 2×1001112001019² (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 = 1001112000988 and 1001112001006.

It is not an unprimeable number, because it can be changed into a prime (1001112001013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1607714 + ... + 2141720.

It is an arithmetic number, because the mean of its divisors is an integer number (90345342468).

Almost surely, 2^{1001112001019} is an apocalyptic number.

1001112001019 is a deficient number, since it is larger than the sum of its proper divisors (83032108597).

1001112001019 is a wasteful number, since it uses less digits than its factorization.

1001112001019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545126 (or 545113 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 1001112001019 in words is "one trillion, one billion, one hundred twelve million, one thousand, nineteen".