11121033001 has 6 divisors (see below), whose sum is σ = 12042302190. Its totient is φ = 10265568768.

The previous prime is 11121032947. The next prime is 11121033017. The reversal of 11121033001 is 10033012111.

It can be written as a sum of positive squares in 3 ways, for example, as 808833600 + 10312199401 = 28440^2 + 101549^2 .

It is not a de Polignac number, because 11121033001 - 2¹¹ = 11121030953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121033061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32902296 + ... + 32902633.

It is an arithmetic number, because the mean of its divisors is an integer number (2007050365).

Almost surely, 2^11121033001 is an apocalyptic number.

It is an amenable number.

11121033001 is a deficient number, since it is larger than the sum of its proper divisors (921269189).

11121033001 is an equidigital number, since it uses as much as digits as its factorization.

11121033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65804955 (or 65804942 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11121033001 its reverse (10033012111), we get a palindrome (21154045112).

The spelling of 11121033001 in words is "eleven billion, one hundred twenty-one million, thirty-three thousand, one".