11211112101112 has 64 divisors (see below), whose sum is σ = 26467277783040. Its totient is φ = 4324718544000.

The previous prime is 11211112101107. The next prime is 11211112101121. The reversal of 11211112101112 is 21110121111211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90036088 + ... + 90160519.

It is an arithmetic number, because the mean of its divisors is an integer number (413551215360).

Almost surely, 2^{11211112101112} is an apocalyptic number.

It is an amenable number.

11211112101112 is an abundant number, since it is smaller than the sum of its proper divisors (15256165681928).

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

11211112101112 is a wasteful number, since it uses less digits than its factorization.

11211112101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180196732 (or 180196728 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 11211112101112 its reverse (21110121111211), we get a palindrome (32321233212323).

It can be divided in two parts, 1121111 and 2101112, that added together give a palindrome (3222223).

The spelling of 11211112101112 in words is "eleven trillion, two hundred eleven billion, one hundred twelve million, one hundred one thousand, one hundred twelve".