11111220002 has 8 divisors (see below), whose sum is σ = 16670869200. Its totient is φ = 5554263604.

The previous prime is 11111219971. The next prime is 11111220013. The reversal of 11111220002 is 20002211111.

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, 662852 + ... + 679407.

It is an arithmetic number, because the mean of its divisors is an integer number (2083858650).

Almost surely, 2^11111220002 is an apocalyptic number.

11111220002 is a deficient number, since it is larger than the sum of its proper divisors (5559649198).

11111220002 is a wasteful number, since it uses less digits than its factorization.

11111220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346400.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11111220002 its reverse (20002211111), we get a palindrome (31113431113).

The spelling of 11111220002 in words is "eleven billion, one hundred eleven million, two hundred twenty thousand, two".