1011110200021 has 16 divisors (see below), whose sum is σ = 1019414390400. Its totient is φ = 1002843547200.

The previous prime is 1011110200007. The next prime is 1011110200117. The reversal of 1011110200021 is 1200020111101.

It is a cyclic number.

It is not a de Polignac number, because 1011110200021 - 2⁹ = 1011110199509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011110199980 and 1011110200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011110201021) 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 15 ways as a sum of consecutive naturals, for example, 83549871 + ... + 83561971.

It is an arithmetic number, because the mean of its divisors is an integer number (63713399400).

Almost surely, 2^{1011110200021} is an apocalyptic number.

It is an amenable number.

1011110200021 is a deficient number, since it is larger than the sum of its proper divisors (8304190379).

1011110200021 is a wasteful number, since it uses less digits than its factorization.

1011110200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13596.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011110200021 its reverse (1200020111101), we get a palindrome (2211130311122).

The spelling of 1011110200021 in words is "one trillion, eleven billion, one hundred ten million, two hundred thousand, twenty-one".