10011110200021 has 6 divisors (see below), whose sum is σ = 11645577171510. Its totient is φ = 8580951599976.

The previous prime is 10011110200019. The next prime is 10011110200027. The reversal of 10011110200021 is 12000201111001.

10011110200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8654840331921 + 1356269868100 = 2941911^2 + 1164590^2 .

It is not a de Polignac number, because 10011110200021 - 2¹ = 10011110200019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011110199980 and 10011110200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011110200027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102154185666 + ... + 102154185763.

It is an arithmetic number, because the mean of its divisors is an integer number (1940929528585).

Almost surely, 2^{10011110200021} is an apocalyptic number.

It is an amenable number.

10011110200021 is a deficient number, since it is larger than the sum of its proper divisors (1634466971489).

10011110200021 is an equidigital number, since it uses as much as digits as its factorization.

10011110200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204308371443 (or 204308371436 counting only the distinct ones).

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

Adding to 10011110200021 its reverse (12000201111001), we get a palindrome (22011311311022).

The spelling of 10011110200021 in words is "ten trillion, eleven billion, one hundred ten million, two hundred thousand, twenty-one".