22121110201 has 4 divisors (see below), whose sum is σ = 22121510400. Its totient is φ = 22120710004.

The previous prime is 22121110147. The next prime is 22121110213. The reversal of 22121110201 is 10201112122.

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 22121110201 - 2¹⁷ = 22120979129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121110261) 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, 100741 + ... + 233218.

It is an arithmetic number, because the mean of its divisors is an integer number (5530377600).

Almost surely, 2^22121110201 is an apocalyptic number.

It is an amenable number.

22121110201 is a deficient number, since it is larger than the sum of its proper divisors (400199).

22121110201 is an equidigital number, since it uses as much as digits as its factorization.

22121110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400198.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22121110201 its reverse (10201112122), we get a palindrome (32322222323).

The spelling of 22121110201 in words is "twenty-two billion, one hundred twenty-one million, one hundred ten thousand, two hundred one".