11003000201021 has 4 divisors (see below), whose sum is σ = 11005042716192. Its totient is φ = 11000957685852.

The previous prime is 11003000200993. The next prime is 11003000201033. The reversal of 11003000201021 is 12010200030011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11003000201021 - 2¹⁸ = 11002999938877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11003000200993 and 11003000201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003000201051) 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, 1021249505 + ... + 1021260278.

It is an arithmetic number, because the mean of its divisors is an integer number (2751260679048).

Almost surely, 2^{11003000201021} is an apocalyptic number.

It is an amenable number.

11003000201021 is a deficient number, since it is larger than the sum of its proper divisors (2042515171).

11003000201021 is an equidigital number, since it uses as much as digits as its factorization.

11003000201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042515170.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11003000201021 its reverse (12010200030011), we get a palindrome (23013200231032).

The spelling of 11003000201021 in words is "eleven trillion, three billion, two hundred one thousand, twenty-one".