11100103340421 has 32 divisors (see below), whose sum is σ = 15291707904000. Its totient is φ = 7154729187840.

The previous prime is 11100103340393. The next prime is 11100103340441. The reversal of 11100103340421 is 12404330100111.

It is not a de Polignac number, because 11100103340421 - 2¹⁰ = 11100103339397 is a prime.

It is a super-2 number, since 2×11100103340421² (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 (11100103340441) 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, 489001530 + ... + 489024228.

It is an arithmetic number, because the mean of its divisors is an integer number (477865872000).

Almost surely, 2^{11100103340421} is an apocalyptic number.

It is an amenable number.

11100103340421 is a deficient number, since it is larger than the sum of its proper divisors (4191604563579).

11100103340421 is a wasteful number, since it uses less digits than its factorization.

11100103340421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27369.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11100103340421 its reverse (12404330100111), we get a palindrome (23504433440532).

The spelling of 11100103340421 in words is "eleven trillion, one hundred billion, one hundred three million, three hundred forty thousand, four hundred twenty-one".