10021010020011 has 6 divisors (see below), whose sum is σ = 14474792251140. Its totient is φ = 6680673346668.

The previous prime is 10021010020009. The next prime is 10021010020027. The reversal of 10021010020011 is 11002001012001.

It is a happy number.

It is not a de Polignac number, because 10021010020011 - 2¹ = 10021010020009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1113445557779 = 10021010020011 / (1 + 0 + 0 + 2 + 1 + 0 + 1 + 0 + 0 + 2 + 0 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 10021010019975 and 10021010020002.

It is not an unprimeable number, because it can be changed into a prime (10021010020001) 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 5 ways as a sum of consecutive naturals, for example, 556722778881 + ... + 556722778898.

It is an arithmetic number, because the mean of its divisors is an integer number (2412465375190).

Almost surely, 2^{10021010020011} is an apocalyptic number.

10021010020011 is a deficient number, since it is larger than the sum of its proper divisors (4453782231129).

10021010020011 is a wasteful number, since it uses less digits than its factorization.

10021010020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113445557785 (or 1113445557782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10021010020011 its reverse (11002001012001), we get a palindrome (21023011032012).

The spelling of 10021010020011 in words is "ten trillion, twenty-one billion, ten million, twenty thousand, eleven".