11303012021 has 16 divisors (see below), whose sum is σ = 13346930688. Its totient is φ = 9366980400.

The previous prime is 11303011963. The next prime is 11303012023. The reversal of 11303012021 is 12021030311.

11303012021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11303012021 - 2¹⁰ = 11303010997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11303011987 and 11303012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303012023) 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 in 15 ways as a sum of consecutive naturals, for example, 212876 + ... + 260618.

It is an arithmetic number, because the mean of its divisors is an integer number (834183168).

Almost surely, 2^11303012021 is an apocalyptic number.

It is an amenable number.

11303012021 is a deficient number, since it is larger than the sum of its proper divisors (2043918667).

11303012021 is a wasteful number, since it uses less digits than its factorization.

11303012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48872.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11303012021 its reverse (12021030311), we get a palindrome (23324042332).

The spelling of 11303012021 in words is "eleven billion, three hundred three million, twelve thousand, twenty-one".