11121022111012 has 384 divisors, whose sum is σ = 23813024578560. Its totient is φ = 4487086080000.

The previous prime is 11121022110997. The next prime is 11121022111051. The reversal of 11121022111012 is 21011122012111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 30977777289 + ... + 30977777647.

It is an arithmetic number, because the mean of its divisors is an integer number (62013084840).

Almost surely, 2^{11121022111012} is an apocalyptic number.

It is an amenable number.

11121022111012 is an abundant number, since it is smaller than the sum of its proper divisors (12692002467548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121022111012 is a wasteful number, since it uses less digits than its factorization.

11121022111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 741 counting only the distinct ones).

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

Adding to 11121022111012 its reverse (21011122012111), we get a palindrome (32132144123123).

It can be divided in two parts, 111210 and 22111012, that added together give a palindrome (22222222).

The spelling of 11121022111012 in words is "eleven trillion, one hundred twenty-one billion, twenty-two million, one hundred eleven thousand, twelve".