22101212204 has 24 divisors (see below), whose sum is σ = 38879961120. Its totient is φ = 10992742784.

The previous prime is 22101212153. The next prime is 22101212207. The reversal of 22101212204 is 40221210122.

It is not an unprimeable number, because it can be changed into a prime (22101212207) 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 7 ways as a sum of consecutive naturals, for example, 1022897 + ... + 1044279.

It is an arithmetic number, because the mean of its divisors is an integer number (1619998380).

Almost surely, 2^22101212204 is an apocalyptic number.

It is an amenable number.

22101212204 is a deficient number, since it is larger than the sum of its proper divisors (16778748916).

22101212204 is a wasteful number, since it uses less digits than its factorization.

22101212204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22729 (or 22727 counting only the distinct ones).

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

Adding to 22101212204 its reverse (40221210122), we get a palindrome (62322422326).

The spelling of 22101212204 in words is "twenty-two billion, one hundred one million, two hundred twelve thousand, two hundred four".