11102304421 has 32 divisors (see below), whose sum is σ = 12447590400. Its totient is φ = 9895991040.

The previous prime is 11102304419. The next prime is 11102304431. The reversal of 11102304421 is 12440320111.

It is not a de Polignac number, because 11102304421 - 2¹ = 11102304419 is a prime.

It is a super-2 number, since 2×11102304421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102304431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8156781 + ... + 8158141.

It is an arithmetic number, because the mean of its divisors is an integer number (388987200).

Almost surely, 2^11102304421 is an apocalyptic number.

It is an amenable number.

11102304421 is a deficient number, since it is larger than the sum of its proper divisors (1345285979).

11102304421 is an equidigital number, since it uses as much as digits as its factorization.

11102304421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11102304421 its reverse (12440320111), we get a palindrome (23542624532).

The spelling of 11102304421 in words is "eleven billion, one hundred two million, three hundred four thousand, four hundred twenty-one".