11021202002021 has 4 divisors (see below), whose sum is σ = 11021751680544. Its totient is φ = 11020652323500.

The previous prime is 11021202001991. The next prime is 11021202002033. The reversal of 11021202002021 is 12020020212011.

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 a de Polignac number, because none of the positive numbers 2^k-11021202002021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021202001987 and 11021202002005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021202002071) 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, 274809185 + ... + 274849286.

It is an arithmetic number, because the mean of its divisors is an integer number (2755437920136).

Almost surely, 2^{11021202002021} is an apocalyptic number.

It is an amenable number.

11021202002021 is a deficient number, since it is larger than the sum of its proper divisors (549678523).

11021202002021 is an equidigital number, since it uses as much as digits as its factorization.

11021202002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549678522.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11021202002021 its reverse (12020020212011), we get a palindrome (23041222214032).

The spelling of 11021202002021 in words is "eleven trillion, twenty-one billion, two hundred two million, two thousand, twenty-one".