11112220002 has 16 divisors (see below), whose sum is σ = 23934012480. Its totient is φ = 3419144592.

The previous prime is 11112219973. The next prime is 11112220019. The reversal of 11112220002 is 20002221111.

It is a self number, because there is not a number n which added to its sum of digits gives 11112220002.

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, 71232102 + ... + 71232257.

It is an arithmetic number, because the mean of its divisors is an integer number (1495875780).

Almost surely, 2^11112220002 is an apocalyptic number.

11112220002 is an abundant number, since it is smaller than the sum of its proper divisors (12821792478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11112220002 is a wasteful number, since it uses less digits than its factorization.

11112220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142464377.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11112220002 its reverse (20002221111), we get a palindrome (31114441113).

The spelling of 11112220002 in words is "eleven billion, one hundred twelve million, two hundred twenty thousand, two".