11221340112 has 60 divisors (see below), whose sum is σ = 33057026080. Its totient is φ = 3543580224.

The previous prime is 11221340083. The next prime is 11221340159. The reversal of 11221340112 is 21104312211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2047948 + ... + 2053419.

Almost surely, 2^11221340112 is an apocalyptic number.

11221340112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221340112 is an abundant number, since it is smaller than the sum of its proper divisors (21835685968).

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

11221340112 is a wasteful number, since it uses less digits than its factorization.

11221340112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101400 (or 4101391 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11221340112 its reverse (21104312211), we get a palindrome (32325652323).

The spelling of 11221340112 in words is "eleven billion, two hundred twenty-one million, three hundred forty thousand, one hundred twelve".