22121203101 has 4 divisors (see below), whose sum is σ = 29494937472. Its totient is φ = 14747468732.

The previous prime is 22121203081. The next prime is 22121203109. The reversal of 22121203101 is 10130212122.

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 22121203101 - 2⁶ = 22121203037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121203109) 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, 3686867181 + ... + 3686867186.

It is an arithmetic number, because the mean of its divisors is an integer number (7373734368).

Almost surely, 2^22121203101 is an apocalyptic number.

It is an amenable number.

22121203101 is a deficient number, since it is larger than the sum of its proper divisors (7373734371).

22121203101 is an equidigital number, since it uses as much as digits as its factorization.

22121203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373734370.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22121203101 its reverse (10130212122), we get a palindrome (32251415223).

The spelling of 22121203101 in words is "twenty-two billion, one hundred twenty-one million, two hundred three thousand, one hundred one".