11120210210021 has 4 divisors (see below), whose sum is σ = 12131138410944. Its totient is φ = 10109282009100.

The previous prime is 11120210210009. The next prime is 11120210210071. The reversal of 11120210210021 is 12001201202111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11120210210021 - 2⁶ = 11120210209957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120210209978 and 11120210210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120210210071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505464100445 + ... + 505464100466.

It is an arithmetic number, because the mean of its divisors is an integer number (3032784602736).

Almost surely, 2^{11120210210021} is an apocalyptic number.

11120210210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11120210210021 is a deficient number, since it is larger than the sum of its proper divisors (1010928200923).

11120210210021 is a wasteful number, since it uses less digits than its factorization.

11120210210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010928200922.

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

Adding to 11120210210021 its reverse (12001201202111), we get a palindrome (23121411412132).

The spelling of 11120210210021 in words is "eleven trillion, one hundred twenty billion, two hundred ten million, two hundred ten thousand, twenty-one".