10011021011 has 2 divisors, whose sum is σ = 10011021012. Its totient is φ = 10011021010.

The previous prime is 10011021001. The next prime is 10011021061. The reversal of 10011021011 is 11012011001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10011021011 - 2¹⁰ = 10011019987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10011021011.

It is not a weakly prime, because it can be changed into another prime (10011021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005510505 + 5005510506.

It is an arithmetic number, because the mean of its divisors is an integer number (5005510506).

Almost surely, 2^10011021011 is an apocalyptic number.

10011021011 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011021011 is an equidigital number, since it uses as much as digits as its factorization.

10011021011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10011021011 its reverse (11012011001), we get a palindrome (21023032012).

It can be divided in two parts, 100110 and 21011, that added together give a palindrome (121121).

The spelling of 10011021011 in words is "ten billion, eleven million, twenty-one thousand, eleven".