11003020323121 has 4 divisors (see below), whose sum is σ = 11003592492544. Its totient is φ = 11002448153700.

The previous prime is 11003020323101. The next prime is 11003020323131. The reversal of 11003020323121 is 12132302030011.

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 11003020323121 - 2⁴³ = 2206927300913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003020323101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286055865 + ... + 286094326.

It is an arithmetic number, because the mean of its divisors is an integer number (2750898123136).

Almost surely, 2^{11003020323121} is an apocalyptic number.

It is an amenable number.

11003020323121 is a deficient number, since it is larger than the sum of its proper divisors (572169423).

11003020323121 is an equidigital number, since it uses as much as digits as its factorization.

11003020323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572169422.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11003020323121 its reverse (12132302030011), we get a palindrome (23135322353132).

The spelling of 11003020323121 in words is "eleven trillion, three billion, twenty million, three hundred twenty-three thousand, one hundred twenty-one".