22100121204 has 24 divisors (see below), whose sum is σ = 58933656768. Its totient is φ = 6314320320.

The previous prime is 22100121203. The next prime is 22100121217. The reversal of 22100121204 is 40212100122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100121203) 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, 131548257 + ... + 131548424.

It is an arithmetic number, because the mean of its divisors is an integer number (2455569032).

Almost surely, 2^22100121204 is an apocalyptic number.

It is an amenable number.

22100121204 is an abundant number, since it is smaller than the sum of its proper divisors (36833535564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22100121204 is a wasteful number, since it uses less digits than its factorization.

22100121204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263096695 (or 263096693 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22100121204 its reverse (40212100122), we get a palindrome (62312221326).

The spelling of 22100121204 in words is "twenty-two billion, one hundred million, one hundred twenty-one thousand, two hundred four".