11203322021 has 16 divisors (see below), whose sum is σ = 11706374400. Its totient is φ = 10708504128.

The previous prime is 11203321981. The next prime is 11203322033. The reversal of 11203322021 is 12022330211.

It is a cyclic number.

It is not a de Polignac number, because 11203322021 - 2¹⁸ = 11203059877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203322071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475591 + ... + 1483163.

It is an arithmetic number, because the mean of its divisors is an integer number (731648400).

Almost surely, 2^11203322021 is an apocalyptic number.

It is an amenable number.

11203322021 is a deficient number, since it is larger than the sum of its proper divisors (503052379).

11203322021 is a wasteful number, since it uses less digits than its factorization.

11203322021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11203322021 its reverse (12022330211), we get a palindrome (23225652232).

The spelling of 11203322021 in words is "eleven billion, two hundred three million, three hundred twenty-two thousand, twenty-one".