11331201213003 has 24 divisors (see below), whose sum is σ = 17575086851280. Its totient is φ = 6474912245760.

The previous prime is 11331201213001. The next prime is 11331201213043. The reversal of 11331201213003 is 30031210213311.

It is a happy number.

It is not a de Polignac number, because 11331201213003 - 2¹ = 11331201213001 is a prime.

It is a super-2 number, since 2×11331201213003² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11331201213001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19250623 + ... + 19830503.

It is an arithmetic number, because the mean of its divisors is an integer number (732295285470).

Almost surely, 2^{11331201213003} is an apocalyptic number.

11331201213003 is a deficient number, since it is larger than the sum of its proper divisors (6243885638277).

11331201213003 is a wasteful number, since it uses less digits than its factorization.

11331201213003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712827 (or 712820 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11331201213003 its reverse (30031210213311), we get a palindrome (41362411426314).

The spelling of 11331201213003 in words is "eleven trillion, three hundred thirty-one billion, two hundred one million, two hundred thirteen thousand, three".