22221212102110 has 64 divisors (see below), whose sum is σ = 46656273590784. Its totient is φ = 7461860515200.

The previous prime is 22221212102093. The next prime is 22221212102119. The reversal of 22221212102110 is 1120121212222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221212102119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3126376 + ... + 7363195.

It is an arithmetic number, because the mean of its divisors is an integer number (729004274856).

Almost surely, 2^{22221212102110} is an apocalyptic number.

22221212102110 is an abundant number, since it is smaller than the sum of its proper divisors (24435061488674).

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

22221212102110 is a wasteful number, since it uses less digits than its factorization.

22221212102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490209.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221212102110 its reverse (1120121212222), we get a palindrome (23341333314332).

The spelling of 22221212102110 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, one hundred ten".