1102001021019 has 12 divisors (see below), whose sum is σ = 1591989542416. Its totient is φ = 734570290512.

The previous prime is 1102001020999. The next prime is 1102001021021. The reversal of 1102001021019 is 9101201002011.

It is a happy number.

It is not a de Polignac number, because 1102001021019 - 2⁷ = 1102001020891 is a prime.

It is a super-3 number, since 3×1102001021019³ (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 = 1102001020992 and 1102001021010.

It is not an unprimeable number, because it can be changed into a prime (1102001021029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8016127 + ... + 8152440.

Almost surely, 2^{1102001021019} is an apocalyptic number.

1102001021019 is a deficient number, since it is larger than the sum of its proper divisors (489988521397).

1102001021019 is a wasteful number, since it uses less digits than its factorization.

1102001021019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16176146 (or 16176143 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 1102001021019 in words is "one trillion, one hundred two billion, one million, twenty-one thousand, nineteen".