11121120021112 has 8 divisors (see below), whose sum is σ = 20852100039600. Its totient is φ = 5560560010552.

The previous prime is 11121120021107. The next prime is 11121120021113. The reversal of 11121120021112 is 21112002112111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121120021113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695070001312 + ... + 695070001327.

It is an arithmetic number, because the mean of its divisors is an integer number (2606512504950).

Almost surely, 2^{11121120021112} is an apocalyptic number.

It is an amenable number.

11121120021112 is a deficient number, since it is larger than the sum of its proper divisors (9730980018488).

11121120021112 is a wasteful number, since it uses less digits than its factorization.

11121120021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390140002645 (or 1390140002641 counting only the distinct ones).

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

Adding to 11121120021112 its reverse (21112002112111), we get a palindrome (32233122133223).

The spelling of 11121120021112 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty million, twenty-one thousand, one hundred twelve".