11011133002021 has 4 divisors (see below), whose sum is σ = 11390827243500. Its totient is φ = 10631438760544.

The previous prime is 11011133002019. The next prime is 11011133002027. The reversal of 11011133002021 is 12020033111011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9075222525121 + 1935910476900 = 3012511^2 + 1391370^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011133002021 - 2¹ = 11011133002019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011133001986 and 11011133002004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011133002027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189847120696 + ... + 189847120753.

It is an arithmetic number, because the mean of its divisors is an integer number (2847706810875).

Almost surely, 2^{11011133002021} is an apocalyptic number.

It is an amenable number.

11011133002021 is a deficient number, since it is larger than the sum of its proper divisors (379694241479).

11011133002021 is an equidigital number, since it uses as much as digits as its factorization.

11011133002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379694241478.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11011133002021 its reverse (12020033111011), we get a palindrome (23031166113032).

The spelling of 11011133002021 in words is "eleven trillion, eleven billion, one hundred thirty-three million, two thousand, twenty-one".