11210021000001 has 16 divisors (see below), whose sum is σ = 16607645140800. Its totient is φ = 7473254353344.

The previous prime is 11210020999999. The next prime is 11210021000069. The reversal of 11210021000001 is 10000012001211.

It is a happy number.

It is not a de Polignac number, because 11210021000001 - 2¹ = 11210020999999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11210021000201) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 336936 + ... + 4746953.

It is an arithmetic number, because the mean of its divisors is an integer number (1037977821300).

Almost surely, 2^{11210021000001} is an apocalyptic number.

It is an amenable number.

11210021000001 is a deficient number, since it is larger than the sum of its proper divisors (5397624140799).

11210021000001 is an equidigital number, since it uses as much as digits as its factorization.

11210021000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165565 (or 5165559 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11210021000001 its reverse (10000012001211), we get a palindrome (21210033001212).

The spelling of 11210021000001 in words is "eleven trillion, two hundred ten billion, twenty-one million, one", and thus it is an aban number.