11120002021 has 8 divisors (see below), whose sum is σ = 11151696600. Its totient is φ = 11088330240.

The previous prime is 11120002013. The next prime is 11120002031. The reversal of 11120002021 is 12020002111.

It can be written as a sum of positive squares in 4 ways, for example, as 7654325121 + 3465676900 = 87489^2 + 58870^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11120002021 - 2³ = 11120002013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120001989 and 11120002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120002031) 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, 1534635 + ... + 1541863.

It is an arithmetic number, because the mean of its divisors is an integer number (1393962075).

Almost surely, 2^11120002021 is an apocalyptic number.

It is an amenable number.

11120002021 is a deficient number, since it is larger than the sum of its proper divisors (31694579).

11120002021 is an equidigital number, since it uses as much as digits as its factorization.

11120002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11399.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11120002021 its reverse (12020002111), we get a palindrome (23140004132).

The spelling of 11120002021 in words is "eleven billion, one hundred twenty million, two thousand, twenty-one".