11330132021 has 4 divisors (see below), whose sum is σ = 12201680652. Its totient is φ = 10458583392.

The previous prime is 11330132017. The next prime is 11330132071. The reversal of 11330132021 is 12023103311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12023103311 = 173 ⋅69497707.

It can be written as a sum of positive squares in 2 ways, for example, as 5859902500 + 5470229521 = 76550^2 + 73961^2 .

It is a cyclic number.

It is not a de Polignac number, because 11330132021 - 2² = 11330132017 is a prime.

It is a super-2 number, since 2×11330132021² (a number of 21 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 (11330132071) 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, 435774296 + ... + 435774321.

It is an arithmetic number, because the mean of its divisors is an integer number (3050420163).

Almost surely, 2^11330132021 is an apocalyptic number.

It is an amenable number.

11330132021 is a deficient number, since it is larger than the sum of its proper divisors (871548631).

11330132021 is an equidigital number, since it uses as much as digits as its factorization.

11330132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871548630.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11330132021 its reverse (12023103311), we get a palindrome (23353235332).

The spelling of 11330132021 in words is "eleven billion, three hundred thirty million, one hundred thirty-two thousand, twenty-one".