10202021111011 has 4 divisors (see below), whose sum is σ = 10802139999912. Its totient is φ = 9601902222112.

The previous prime is 10202021110991. The next prime is 10202021111041. The reversal of 10202021111011 is 11011112020201.

It is a happy number.

10202021111011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10202021111011 - 2¹⁷ = 10202020979939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202021110982 and 10202021111000.

It is not an unprimeable number, because it can be changed into a prime (10202021111041) 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, 300059444425 + ... + 300059444458.

It is an arithmetic number, because the mean of its divisors is an integer number (2700534999978).

Almost surely, 2^{10202021111011} is an apocalyptic number.

10202021111011 is a deficient number, since it is larger than the sum of its proper divisors (600118888901).

10202021111011 is an equidigital number, since it uses as much as digits as its factorization.

10202021111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600118888900.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10202021111011 its reverse (11011112020201), we get a palindrome (21213133131212).

The spelling of 10202021111011 in words is "ten trillion, two hundred two billion, twenty-one million, one hundred eleven thousand, eleven".