11211033212003 has 4 divisors (see below), whose sum is σ = 11211088649088. Its totient is φ = 11210977774920.

The previous prime is 11211033211997. The next prime is 11211033212009. The reversal of 11211033212003 is 30021233011211.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (11211033211997) and next prime (11211033212009).

It is a cyclic number.

It is not a de Polignac number, because 11211033212003 - 2²⁰ = 11211032163427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211033212009) 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, 27414083 + ... + 27820028.

It is an arithmetic number, because the mean of its divisors is an integer number (2802772162272).

Almost surely, 2^{11211033212003} is an apocalyptic number.

11211033212003 is a deficient number, since it is larger than the sum of its proper divisors (55437085).

11211033212003 is an equidigital number, since it uses as much as digits as its factorization.

11211033212003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55437084.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11211033212003 its reverse (30021233011211), we get a palindrome (41232266223214).

The spelling of 11211033212003 in words is "eleven trillion, two hundred eleven billion, thirty-three million, two hundred twelve thousand, three".