11030201231221 has 4 divisors (see below), whose sum is σ = 11030364653472. Its totient is φ = 11030037808972.

The previous prime is 11030201231191. The next prime is 11030201231227. The reversal of 11030201231221 is 12213210203011.

11030201231221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11030201231221 - 2¹³ = 11030201223029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030201231227) 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, 81609841 + ... + 81744886.

It is an arithmetic number, because the mean of its divisors is an integer number (2757591163368).

Almost surely, 2^{11030201231221} is an apocalyptic number.

It is an amenable number.

11030201231221 is a deficient number, since it is larger than the sum of its proper divisors (163422251).

11030201231221 is an equidigital number, since it uses as much as digits as its factorization.

11030201231221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163422250.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11030201231221 its reverse (12213210203011), we get a palindrome (23243411434232).

The spelling of 11030201231221 in words is "eleven trillion, thirty billion, two hundred one million, two hundred thirty-one thousand, two hundred twenty-one".