11203210320221 has 32 divisors (see below), whose sum is σ = 11799246412800. Its totient is φ = 10622401135360.

The previous prime is 11203210320199. The next prime is 11203210320229. The reversal of 11203210320221 is 12202301230211.

It is a cyclic number.

It is not a de Polignac number, because 11203210320221 - 2¹⁴ = 11203210303837 is a prime.

It is a super-2 number, since 2×11203210320221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11203210320193 and 11203210320202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203210320229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1476239495 + ... + 1476247083.

It is an arithmetic number, because the mean of its divisors is an integer number (368726450400).

Almost surely, 2^{11203210320221} is an apocalyptic number.

It is an amenable number.

11203210320221 is a deficient number, since it is larger than the sum of its proper divisors (596036092579).

11203210320221 is a wasteful number, since it uses less digits than its factorization.

11203210320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10429.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11203210320221 its reverse (12202301230211), we get a palindrome (23405511550432).

The spelling of 11203210320221 in words is "eleven trillion, two hundred three billion, two hundred ten million, three hundred twenty thousand, two hundred twenty-one".