20121010110222 has 32 divisors (see below), whose sum is σ = 45991492070400. Its totient is φ = 5748783554208.

The previous prime is 20121010110199. The next prime is 20121010110251. The reversal of 20121010110222 is 22201101012102.

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, 46804 + ... + 6343832.

It is an arithmetic number, because the mean of its divisors is an integer number (1437234127200).

Almost surely, 2^{20121010110222} is an apocalyptic number.

20121010110222 is an abundant number, since it is smaller than the sum of its proper divisors (25870481960178).

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

20121010110222 is a wasteful number, since it uses less digits than its factorization.

20121010110222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373120.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20121010110222 its reverse (22201101012102), we get a palindrome (42322111122324).

The spelling of 20121010110222 in words is "twenty trillion, one hundred twenty-one billion, ten million, one hundred ten thousand, two hundred twenty-two".