11111111110002 has 16 divisors (see below), whose sum is σ = 22225589812800. Its totient is φ = 3703142437872.

The previous prime is 11111111109979. The next prime is 11111111110031. The reversal of 11111111110002 is 20001111111111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111111110002.

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, 140273473 + ... + 140352660.

It is an arithmetic number, because the mean of its divisors is an integer number (1389099363300).

Almost surely, 2^{11111111110002} is an apocalyptic number.

11111111110002 is an abundant number, since it is smaller than the sum of its proper divisors (11114478702798).

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

11111111110002 is a wasteful number, since it uses less digits than its factorization.

11111111110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280632737.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 11111111110002 its reverse (20001111111111), we get a palindrome (31112222221113).

The spelling of 11111111110002 in words is "eleven trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, two".