11331202030021 has 4 divisors (see below), whose sum is σ = 11823862987872. Its totient is φ = 10838541072172.

The previous prime is 11331202030013. The next prime is 11331202030037. The reversal of 11331202030021 is 12003020213311.

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 11331202030021 - 2³ = 11331202030013 is a prime.

It is a super-2 number, since 2×11331202030021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331202034021) 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, 246330478891 + ... + 246330478936.

It is an arithmetic number, because the mean of its divisors is an integer number (2955965746968).

Almost surely, 2^{11331202030021} is an apocalyptic number.

It is an amenable number.

11331202030021 is a deficient number, since it is larger than the sum of its proper divisors (492660957851).

11331202030021 is an equidigital number, since it uses as much as digits as its factorization.

11331202030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492660957850.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11331202030021 its reverse (12003020213311), we get a palindrome (23334222243332).

The spelling of 11331202030021 in words is "eleven trillion, three hundred thirty-one billion, two hundred two million, thirty thousand, twenty-one".