22201121204 has 48 divisors (see below), whose sum is σ = 40014679488. Its totient is φ = 10774280448.

The previous prime is 22201121203. The next prime is 22201121209. The reversal of 22201121204 is 40212110222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201121203) 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 15 ways as a sum of consecutive naturals, for example, 6711719 + ... + 6715025.

It is an arithmetic number, because the mean of its divisors is an integer number (833639156).

Almost surely, 2^22201121204 is an apocalyptic number.

It is an amenable number.

22201121204 is a deficient number, since it is larger than the sum of its proper divisors (17813558284).

22201121204 is a wasteful number, since it uses less digits than its factorization.

22201121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744 (or 3742 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22201121204 its reverse (40212110222), we get a palindrome (62413231426).

The spelling of 22201121204 in words is "twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred four".