11033121001 has 8 divisors (see below), whose sum is σ = 13272927680. Its totient is φ = 8959225968.

The previous prime is 11033120993. The next prime is 11033121013. The reversal of 11033121001 is 10012133011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11033121001 - 2³ = 11033120993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11033121101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41477766 + ... + 41478031.

It is an arithmetic number, because the mean of its divisors is an integer number (1659115960).

Almost surely, 2^11033121001 is an apocalyptic number.

It is an amenable number.

11033121001 is a deficient number, since it is larger than the sum of its proper divisors (2239806679).

11033121001 is an equidigital number, since it uses as much as digits as its factorization.

11033121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82955823.

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

Adding to 11033121001 its reverse (10012133011), we get a palindrome (21045254012).

The spelling of 11033121001 in words is "eleven billion, thirty-three million, one hundred twenty-one thousand, one".