11100330021 has 16 divisors (see below), whose sum is σ = 16186218048. Its totient is φ = 6710688000.

The previous prime is 11100330019. The next prime is 11100330049. The reversal of 11100330021 is 12003300111.

It is not a de Polignac number, because 11100330021 - 2¹ = 11100330019 is a prime.

It is a super-2 number, since 2×11100330021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11100329979 and 11100330006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100330061) 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, 406186 + ... + 432651.

It is an arithmetic number, because the mean of its divisors is an integer number (1011638628).

Almost surely, 2^11100330021 is an apocalyptic number.

11100330021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100330021 is a deficient number, since it is larger than the sum of its proper divisors (5085888027).

11100330021 is a wasteful number, since it uses less digits than its factorization.

11100330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839252.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11100330021 its reverse (12003300111), we get a palindrome (23103630132).

The spelling of 11100330021 in words is "eleven billion, one hundred million, three hundred thirty thousand, twenty-one".