11211112201112 has 16 divisors (see below), whose sum is σ = 21021482520360. Its totient is φ = 5605383529024.

The previous prime is 11211112201109. The next prime is 11211112201127. The reversal of 11211112201112 is 21110221111211.

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, 21295133 + ... + 21815244.

Almost surely, 2^{11211112201112} is an apocalyptic number.

It is an amenable number.

11211112201112 is a deficient number, since it is larger than the sum of its proper divisors (9810370319248).

11211112201112 is a wasteful number, since it uses less digits than its factorization.

11211112201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43142890 (or 43142886 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11211112201112 its reverse (21110221111211), we get a palindrome (32321333312323).

The spelling of 11211112201112 in words is "eleven trillion, two hundred eleven billion, one hundred twelve million, two hundred one thousand, one hundred twelve".