22101010121212 has 48 divisors (see below), whose sum is σ = 42661498572000. Its totient is φ = 9934916578560.

The previous prime is 22101010121161. The next prime is 22101010121221. The reversal of 22101010121212 is 21212101010122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859183 + ... + 8861830.

It is an arithmetic number, because the mean of its divisors is an integer number (888781220250).

Almost surely, 2^{22101010121212} is an apocalyptic number.

22101010121212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101010121212 is a deficient number, since it is larger than the sum of its proper divisors (20560488450788).

22101010121212 is a wasteful number, since it uses less digits than its factorization.

22101010121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721406 (or 14721404 counting only the distinct ones).

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

Adding to 22101010121212 its reverse (21212101010122), we get a palindrome (43313111131334).

It can be divided in two parts, 22101010 and 121212, that added together give a palindrome (22222222).

The spelling of 22101010121212 in words is "twenty-two trillion, one hundred one billion, ten million, one hundred twenty-one thousand, two hundred twelve".