1011200020019 has 8 divisors (see below), whose sum is σ = 1155754874880. Its totient is φ = 866669592456.

The previous prime is 1011200019979. The next prime is 1011200020081. The reversal of 1011200020019 is 9100200021101.

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 1011200020019 - 2⁸ = 1011200019763 is a prime.

It is a super-3 number, since 3×1011200020019³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011200019979 and 1011200020006.

It is not an unprimeable number, because it can be changed into a prime (1011200025019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6018029 + ... + 6183774.

It is an arithmetic number, because the mean of its divisors is an integer number (144469359360).

Almost surely, 2^{1011200020019} is an apocalyptic number.

1011200020019 is a deficient number, since it is larger than the sum of its proper divisors (144554854861).

1011200020019 is a wasteful number, since it uses less digits than its factorization.

1011200020019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213649.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1011200020019 in words is "one trillion, eleven billion, two hundred million, twenty thousand, nineteen".