11331221002 has 8 divisors (see below), whose sum is σ = 17236223712. Its totient is φ = 5585813100.

The previous prime is 11331220997. The next prime is 11331221017. The reversal of 11331221002 is 20012213311.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39898524 + ... + 39898807.

It is an arithmetic number, because the mean of its divisors is an integer number (2154527964).

Almost surely, 2^11331221002 is an apocalyptic number.

11331221002 is a deficient number, since it is larger than the sum of its proper divisors (5905002710).

11331221002 is an equidigital number, since it uses as much as digits as its factorization.

11331221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79797404.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11331221002 its reverse (20012213311), we get a palindrome (31343434313).

The spelling of 11331221002 in words is "eleven billion, three hundred thirty-one million, two hundred twenty-one thousand, two".