10021013111 has 2 divisors, whose sum is σ = 10021013112. Its totient is φ = 10021013110.

The previous prime is 10021013087. The next prime is 10021013147. The reversal of 10021013111 is 11131012001.

It is a happy number.

10021013111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021013111 - 2¹⁰ = 10021012087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10021013092 and 10021013101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021013311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010506555 + 5010506556.

It is an arithmetic number, because the mean of its divisors is an integer number (5010506556).

Almost surely, 2^10021013111 is an apocalyptic number.

10021013111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021013111 is an equidigital number, since it uses as much as digits as its factorization.

10021013111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10021013111 its reverse (11131012001), we get a palindrome (21152025112).

The spelling of 10021013111 in words is "ten billion, twenty-one million, thirteen thousand, one hundred eleven".