11032112331221 has 2 divisors, whose sum is σ = 11032112331222. Its totient is φ = 11032112331220.

The previous prime is 11032112331203. The next prime is 11032112331239. The reversal of 11032112331221 is 12213321123011.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (11032112331203) and next prime (11032112331239).

It can be written as a sum of positive squares in only one way, i.e., 10341948492100 + 690163839121 = 3215890^2 + 830761^2 .

It is a cyclic number.

It is not a de Polignac number, because 11032112331221 - 2¹⁴ = 11032112314837 is a prime.

It is a super-2 number, since 2×11032112331221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11032112231221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5516056165610 + 5516056165611.

It is an arithmetic number, because the mean of its divisors is an integer number (5516056165611).

Almost surely, 2^{11032112331221} is an apocalyptic number.

It is an amenable number.

11032112331221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11032112331221 is an equidigital number, since it uses as much as digits as its factorization.

11032112331221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 11032112331221 its reverse (12213321123011), we get a palindrome (23245433454232).

The spelling of 11032112331221 in words is "eleven trillion, thirty-two billion, one hundred twelve million, three hundred thirty-one thousand, two hundred twenty-one".