11121321002 has 16 divisors (see below), whose sum is σ = 18247328352. Its totient is φ = 5041589520.

The previous prime is 11121320963. The next prime is 11121321017. The reversal of 11121321002 is 20012312111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669428 + ... + 685839.

It is an arithmetic number, because the mean of its divisors is an integer number (1140458022).

Almost surely, 2^11121321002 is an apocalyptic number.

11121321002 is a deficient number, since it is larger than the sum of its proper divisors (7126007350).

11121321002 is a wasteful number, since it uses less digits than its factorization.

11121321002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355653.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11121321002 its reverse (20012312111), we get a palindrome (31133633113).

The spelling of 11121321002 in words is "eleven billion, one hundred twenty-one million, three hundred twenty-one thousand, two".