11111112200012 has 24 divisors (see below), whose sum is σ = 22328550834240. Its totient is φ = 4784689463760.

The previous prime is 11111112200011. The next prime is 11111112200017. The reversal of 11111112200012 is 21000221111111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111112200012.

It is not an unprimeable number, because it can be changed into a prime (11111112200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6645401198 + ... + 6645402869.

It is an arithmetic number, because the mean of its divisors is an integer number (930356284760).

Almost surely, 2^{11111112200012} is an apocalyptic number.

It is an amenable number.

11111112200012 is an abundant number, since it is smaller than the sum of its proper divisors (11217438634228).

11111112200012 is a wasteful number, since it uses less digits than its factorization.

11111112200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13290804101 (or 13290804099 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11111112200012 its reverse (21000221111111), we get a palindrome (32111333311123).

The spelling of 11111112200012 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, two hundred thousand, twelve".