11120012012021 has 16 divisors (see below), whose sum is σ = 12262571135808. Its totient is φ = 9999506419200.

The previous prime is 11120012012017. The next prime is 11120012012051. The reversal of 11120012012021 is 12021021002111.

It is a cyclic number.

It is not a de Polignac number, because 11120012012021 - 2² = 11120012012017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120012011987 and 11120012012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120012012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814355 + ... + 4785728.

It is an arithmetic number, because the mean of its divisors is an integer number (766410695988).

Almost surely, 2^{11120012012021} is an apocalyptic number.

11120012012021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120012012021 is a deficient number, since it is larger than the sum of its proper divisors (1142559123787).

11120012012021 is a wasteful number, since it uses less digits than its factorization.

11120012012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602052.

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

Adding to 11120012012021 its reverse (12021021002111), we get a palindrome (23141033014132).

The spelling of 11120012012021 in words is "eleven trillion, one hundred twenty billion, twelve million, twelve thousand, twenty-one".