11132223442421 has 2 divisors, whose sum is σ = 11132223442422. Its totient is φ = 11132223442420.

The previous prime is 11132223442393. The next prime is 11132223442427. The reversal of 11132223442421 is 12424432223111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7961736939025 + 3170486503396 = 2821655^2 + 1780586^2 .

It is a cyclic number.

It is not a de Polignac number, because 11132223442421 - 2¹⁰ = 11132223441397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11132223442427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566111721210 + 5566111721211.

It is an arithmetic number, because the mean of its divisors is an integer number (5566111721211).

Almost surely, 2^{11132223442421} is an apocalyptic number.

It is an amenable number.

11132223442421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132223442421 is an equidigital number, since it uses as much as digits as its factorization.

11132223442421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 32.

Adding to 11132223442421 its reverse (12424432223111), we get a palindrome (23556655665532).

The spelling of 11132223442421 in words is "eleven trillion, one hundred thirty-two billion, two hundred twenty-three million, four hundred forty-two thousand, four hundred twenty-one".