22211110201210 has 24 divisors (see below), whose sum is σ = 46507345034580. Its totient is φ = 7615237783104.

The previous prime is 22211110201199. The next prime is 22211110201211. The reversal of 22211110201210 is 1210201111222.

It can be written as a sum of positive squares in 2 ways, for example, as 21257106754849 + 954003446361 = 4610543^2 + 976731^2 .

It is not an unprimeable number, because it can be changed into a prime (22211110201211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22664397675 + ... + 22664398654.

Almost surely, 2^{22211110201210} is an apocalyptic number.

22211110201210 is an abundant number, since it is smaller than the sum of its proper divisors (24296234833370).

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

22211110201210 is a wasteful number, since it uses less digits than its factorization.

22211110201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45328796350 (or 45328796343 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22211110201210 its reverse (1210201111222), we get a palindrome (23421311312432).

The spelling of 22211110201210 in words is "twenty-two trillion, two hundred eleven billion, one hundred ten million, two hundred one thousand, two hundred ten".