11030132013221 has 4 divisors (see below), whose sum is σ = 11328243689292. Its totient is φ = 10732020337152.

The previous prime is 11030132013217. The next prime is 11030132013233. The reversal of 11030132013221 is 12231023103011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6840782709121 + 4189349304100 = 2615489^2 + 2046790^2 .

It is a cyclic number.

It is not a de Polignac number, because 11030132013221 - 2² = 11030132013217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11030132013193 and 11030132013202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030132013821) 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, 149055837980 + ... + 149055838053.

It is an arithmetic number, because the mean of its divisors is an integer number (2832060922323).

Almost surely, 2^{11030132013221} is an apocalyptic number.

It is an amenable number.

11030132013221 is a deficient number, since it is larger than the sum of its proper divisors (298111676071).

11030132013221 is an equidigital number, since it uses as much as digits as its factorization.

11030132013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298111676070.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11030132013221 its reverse (12231023103011), we get a palindrome (23261155116232).

The spelling of 11030132013221 in words is "eleven trillion, thirty billion, one hundred thirty-two million, thirteen thousand, two hundred twenty-one".