11211423112 has 16 divisors (see below), whose sum is σ = 21089016000. Its totient is φ = 5587685520.

The previous prime is 11211423107. The next prime is 11211423127. The reversal of 11211423112 is 21132411211.

It is a self number, because there is not a number n which added to its sum of digits gives 11211423112.

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, 2250612 + ... + 2255587.

It is an arithmetic number, because the mean of its divisors is an integer number (1318063500).

Almost surely, 2^11211423112 is an apocalyptic number.

It is an amenable number.

11211423112 is a deficient number, since it is larger than the sum of its proper divisors (9877592888).

11211423112 is a wasteful number, since it uses less digits than its factorization.

11211423112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506516 (or 4506512 counting only the distinct ones).

The product of its digits is 96, while the sum is 19.

Adding to 11211423112 its reverse (21132411211), we get a palindrome (32343834323).

The spelling of 11211423112 in words is "eleven billion, two hundred eleven million, four hundred twenty-three thousand, one hundred twelve".