11010023021 has 16 divisors (see below), whose sum is σ = 11936865600. Its totient is φ = 10114530048.

The previous prime is 11010022997. The next prime is 11010023033. The reversal of 11010023021 is 12032001011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11010023021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010022993 and 11010023011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010023071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303550 + ... + 1311968.

It is an arithmetic number, because the mean of its divisors is an integer number (746054100).

Almost surely, 2^11010023021 is an apocalyptic number.

It is an amenable number.

11010023021 is a deficient number, since it is larger than the sum of its proper divisors (926842579).

11010023021 is a wasteful number, since it uses less digits than its factorization.

11010023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11010023021 its reverse (12032001011), we get a palindrome (23042024032).

The spelling of 11010023021 in words is "eleven billion, ten million, twenty-three thousand, twenty-one".