11121223012 has 12 divisors (see below), whose sum is σ = 19472782336. Its totient is φ = 5557570920.

The previous prime is 11121222977. The next prime is 11121223093. The reversal of 11121223012 is 21032212111.

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, 751908 + ... + 766555.

Almost surely, 2^11121223012 is an apocalyptic number.

It is an amenable number.

11121223012 is a deficient number, since it is larger than the sum of its proper divisors (8351559324).

11121223012 is a wasteful number, since it uses less digits than its factorization.

11121223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520298 (or 1520296 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11121223012 its reverse (21032212111), we get a palindrome (32153435123).

The spelling of 11121223012 in words is "eleven billion, one hundred twenty-one million, two hundred twenty-three thousand, twelve".