1121102212012 has 24 divisors (see below), whose sum is σ = 1993482289904. Its totient is φ = 551554926912.

The previous prime is 1121102211989. The next prime is 1121102212019. The reversal of 1121102212012 is 2102122011211.

It is not an unprimeable number, because it can be changed into a prime (1121102212019) 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, 2149923 + ... + 2619994.

Almost surely, 2^{1121102212012} is an apocalyptic number.

It is an amenable number.

1121102212012 is a deficient number, since it is larger than the sum of its proper divisors (872380077892).

1121102212012 is a wasteful number, since it uses less digits than its factorization.

1121102212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770865 (or 4770863 counting only the distinct ones).

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

Adding to 1121102212012 its reverse (2102122011211), we get a palindrome (3223224223223).

The spelling of 1121102212012 in words is "one trillion, one hundred twenty-one billion, one hundred two million, two hundred twelve thousand, twelve".