11132223121021 has 4 divisors (see below), whose sum is σ = 11132281392544. Its totient is φ = 11132164849500.

The previous prime is 11132223120947. The next prime is 11132223121069. The reversal of 11132223121021 is 12012132223111.

It is a happy number.

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 11132223121021 - 2²⁷ = 11132088903293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11132223120983 and 11132223121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132223122021) 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, 28848255 + ... + 29231596.

It is an arithmetic number, because the mean of its divisors is an integer number (2783070348136).

Almost surely, 2^{11132223121021} is an apocalyptic number.

It is an amenable number.

11132223121021 is a deficient number, since it is larger than the sum of its proper divisors (58271523).

11132223121021 is an equidigital number, since it uses as much as digits as its factorization.

11132223121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58271522.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 11132223121021 its reverse (12012132223111), we get a palindrome (23144355344132).

The spelling of 11132223121021 in words is "eleven trillion, one hundred thirty-two billion, two hundred twenty-three million, one hundred twenty-one thousand, twenty-one".