11121222100012 has 12 divisors (see below), whose sum is σ = 20486461763320. Its totient is φ = 5267947310496.

The previous prime is 11121222099959. The next prime is 11121222100057. The reversal of 11121222100012 is 21000122212111.

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, 73165934793 + ... + 73165934944.

Almost surely, 2^{11121222100012} is an apocalyptic number.

It is an amenable number.

11121222100012 is a deficient number, since it is larger than the sum of its proper divisors (9365239663308).

11121222100012 is a wasteful number, since it uses less digits than its factorization.

11121222100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146331869760 (or 146331869758 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121222100012 its reverse (21000122212111), we get a palindrome (32121344312123).

The spelling of 11121222100012 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, twelve".