10020202020011 has 4 divisors (see below), whose sum is σ = 10043027082000. Its totient is φ = 9997376958024.

The previous prime is 10020202019999. The next prime is 10020202020043. The reversal of 10020202020011 is 11002020202001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10020202020011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020202019974 and 10020202020001.

It is not an unprimeable number, because it can be changed into a prime (10020202020611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11412530336 + ... + 11412531213.

It is an arithmetic number, because the mean of its divisors is an integer number (2510756770500).

Almost surely, 2^{10020202020011} is an apocalyptic number.

10020202020011 is a deficient number, since it is larger than the sum of its proper divisors (22825061989).

10020202020011 is an equidigital number, since it uses as much as digits as its factorization.

10020202020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22825061988.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 10020202020011 its reverse (11002020202001), we get a palindrome (21022222222012).

The spelling of 10020202020011 in words is "ten trillion, twenty billion, two hundred two million, twenty thousand, eleven".