11202001020021 has 16 divisors (see below), whose sum is σ = 17069937882624. Its totient is φ = 6401060174064.

The previous prime is 11202001020019. The next prime is 11202001020029. The reversal of 11202001020021 is 12002010020211.

It is not a de Polignac number, because 11202001020021 - 2¹ = 11202001020019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11202001019979 and 11202001020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202001020029) 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 15 ways as a sum of consecutive naturals, for example, 1797855 + ... + 5063228.

It is an arithmetic number, because the mean of its divisors is an integer number (1066871117664).

Almost surely, 2^{11202001020021} is an apocalyptic number.

It is an amenable number.

11202001020021 is a deficient number, since it is larger than the sum of its proper divisors (5867936862603).

11202001020021 is an equidigital number, since it uses as much as digits as its factorization.

11202001020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938840.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11202001020021 its reverse (12002010020211), we get a palindrome (23204011040232).

The spelling of 11202001020021 in words is "eleven trillion, two hundred two billion, one million, twenty thousand, twenty-one".