1111111201112 has 16 divisors (see below), whose sum is σ = 2272727457000. Its totient is φ = 505050545920.

The previous prime is 1111111201069. The next prime is 1111111201129. The reversal of 1111111201112 is 2111021111111.

It is a congruent number.

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, 6313131737 + ... + 6313131912.

Almost surely, 2^{1111111201112} is an apocalyptic number.

It is an amenable number.

1111111201112 is an abundant number, since it is smaller than the sum of its proper divisors (1161616255888).

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

1111111201112 is a wasteful number, since it uses less digits than its factorization.

1111111201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626263666 (or 12626263662 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1111111201112 its reverse (2111021111111), we get a palindrome (3222132312223).

Subtracting 1111111201112 from its reverse (2111021111111), we obtain a palindrome (999909909999).

The spelling of 1111111201112 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred one thousand, one hundred twelve".