11033321100021 has 60 divisors (see below), whose sum is σ = 18254736384192. Its totient is φ = 6635815758000.

The previous prime is 11033321099971. The next prime is 11033321100037. The reversal of 11033321100021 is 12000112333011.

11033321100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11033321100021 - 2¹¹ = 11033321097973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11033321099967 and 11033321100003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033321100041) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3012765 + ... + 5580626.

Almost surely, 2^{11033321100021} is an apocalyptic number.

11033321100021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11033321100021 is a deficient number, since it is larger than the sum of its proper divisors (7221415284171).

11033321100021 is a wasteful number, since it uses less digits than its factorization.

11033321100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593556 (or 8593536 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11033321100021 its reverse (12000112333011), we get a palindrome (23033433433032).

The spelling of 11033321100021 in words is "eleven trillion, thirty-three billion, three hundred twenty-one million, one hundred thousand, twenty-one".