22212120104 has 32 divisors (see below), whose sum is σ = 43358344200. Its totient is φ = 10654775040.

The previous prime is 22212120101. The next prime is 22212120143. The reversal of 22212120104 is 40102121222.

It can be written as a sum of positive squares in 4 ways, for example, as 16951519204 + 5260600900 = 130198^2 + 72530^2 .

It is not an unprimeable number, because it can be changed into a prime (22212120101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268487 + ... + 341334.

Almost surely, 2^22212120104 is an apocalyptic number.

It is an amenable number.

22212120104 is a deficient number, since it is larger than the sum of its proper divisors (21146224096).

22212120104 is a wasteful number, since it uses less digits than its factorization.

22212120104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610013 (or 610009 counting only the distinct ones).

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

Adding to 22212120104 its reverse (40102121222), we get a palindrome (62314241326).

The spelling of 22212120104 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred four".