22132002121 has 4 divisors (see below), whose sum is σ = 22346876032. Its totient is φ = 21917128212.

The previous prime is 22132002077. The next prime is 22132002203. The reversal of 22132002121 is 12120023122.

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 22132002121 - 2¹³ = 22131993929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22132002095 and 22132002104.

It is not an unprimeable number, because it can be changed into a prime (22132005121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107436801 + ... + 107437006.

It is an arithmetic number, because the mean of its divisors is an integer number (5586719008).

Almost surely, 2^22132002121 is an apocalyptic number.

It is an amenable number.

22132002121 is a deficient number, since it is larger than the sum of its proper divisors (214873911).

22132002121 is a wasteful number, since it uses less digits than its factorization.

22132002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214873910.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22132002121 its reverse (12120023122), we get a palindrome (34252025243).

The spelling of 22132002121 in words is "twenty-two billion, one hundred thirty-two million, two thousand, one hundred twenty-one".