22120212222210 has 16 divisors (see below), whose sum is σ = 53088509333376. Its totient is φ = 5898723259248.

The previous prime is 22120212222197. The next prime is 22120212222217. The reversal of 22120212222210 is 1222221202122.

It is not an unprimeable number, because it can be changed into a prime (22120212222217) 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, 368670203674 + ... + 368670203733.

It is an arithmetic number, because the mean of its divisors is an integer number (3318031833336).

Almost surely, 2^{22120212222210} is an apocalyptic number.

22120212222210 is an abundant number, since it is smaller than the sum of its proper divisors (30968297111166).

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

22120212222210 is a wasteful number, since it uses less digits than its factorization.

22120212222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737340407417.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22120212222210 its reverse (1222221202122), we get a palindrome (23342433424332).

The spelling of 22120212222210 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty-two thousand, two hundred ten".