11103230210221 has 16 divisors (see below), whose sum is σ = 11731407552000. Its totient is φ = 10491442557568.

The previous prime is 11103230210209. The next prime is 11103230210249. The reversal of 11103230210221 is 12201203230111.

It is a cyclic number.

It is not a de Polignac number, because 11103230210221 - 2²¹ = 11103228113069 is a prime.

It is a super-2 number, since 2×11103230210221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103230220221) 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, 17382105 + ... + 18009553.

It is an arithmetic number, because the mean of its divisors is an integer number (733212972000).

Almost surely, 2^{11103230210221} is an apocalyptic number.

It is an amenable number.

11103230210221 is a deficient number, since it is larger than the sum of its proper divisors (628177341779).

11103230210221 is a wasteful number, since it uses less digits than its factorization.

11103230210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640508.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11103230210221 its reverse (12201203230111), we get a palindrome (23304433440332).

The spelling of 11103230210221 in words is "eleven trillion, one hundred three billion, two hundred thirty million, two hundred ten thousand, two hundred twenty-one".