11121111002002 has 8 divisors (see below), whose sum is σ = 16698199376700. Its totient is φ = 5555044543104.

The previous prime is 11121111001999. The next prime is 11121111002003. The reversal of 11121111002002 is 20020011112111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10601138771721 + 519972230281 = 3255939^2 + 721091^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11121111002003) 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, 2755476427 + ... + 2755480462.

Almost surely, 2^{11121111002002} is an apocalyptic number.

11121111002002 is a deficient number, since it is larger than the sum of its proper divisors (5577088374698).

11121111002002 is a wasteful number, since it uses less digits than its factorization.

11121111002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510957900.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11121111002002 its reverse (20020011112111), we get a palindrome (31141122114113).

The spelling of 11121111002002 in words is "eleven trillion, one hundred twenty-one billion, one hundred eleven million, two thousand, two".