11140222012 has 24 divisors (see below), whose sum is σ = 19976382720. Its totient is φ = 5432759040.

The previous prime is 11140222003. The next prime is 11140222019. The reversal of 11140222012 is 21022204111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140222019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802789 + ... + 816547.

It is an arithmetic number, because the mean of its divisors is an integer number (832349280).

Almost surely, 2^11140222012 is an apocalyptic number.

It is an amenable number.

11140222012 is a deficient number, since it is larger than the sum of its proper divisors (8836160708).

11140222012 is a wasteful number, since it uses less digits than its factorization.

11140222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18741 (or 18739 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11140222012 its reverse (21022204111), we get a palindrome (32162426123).

The spelling of 11140222012 in words is "eleven billion, one hundred forty million, two hundred twenty-two thousand, twelve".