11100120212012 has 24 divisors (see below), whose sum is σ = 20947312865472. Its totient is φ = 5116310640000.

The previous prime is 11100120212011. The next prime is 11100120212119. The reversal of 11100120212012 is 21021202100111.

It is a super-2 number, since 2×11100120212012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11100120212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142080689 + ... + 142158792.

It is an arithmetic number, because the mean of its divisors is an integer number (872804702728).

Almost surely, 2^{11100120212012} is an apocalyptic number.

It is an amenable number.

11100120212012 is a deficient number, since it is larger than the sum of its proper divisors (9847192653460).

11100120212012 is a wasteful number, since it uses less digits than its factorization.

11100120212012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284240249 (or 284240247 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11100120212012 its reverse (21021202100111), we get a palindrome (32121322312123).

The spelling of 11100120212012 in words is "eleven trillion, one hundred billion, one hundred twenty million, two hundred twelve thousand, twelve".