20110110221222 has 64 divisors (see below), whose sum is σ = 36717363072000. Its totient is φ = 8241684454080.

The previous prime is 20110110221221. The next prime is 20110110221237. The reversal of 20110110221222 is 22212201101102.

It is a self number, because there is not a number n which added to its sum of digits gives 20110110221222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110110221221) 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, 59298197 + ... + 59636367.

It is an arithmetic number, because the mean of its divisors is an integer number (573708798000).

Almost surely, 2^{20110110221222} is an apocalyptic number.

20110110221222 is a deficient number, since it is larger than the sum of its proper divisors (16607252850778).

20110110221222 is a wasteful number, since it uses less digits than its factorization.

20110110221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341986 (or 341972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20110110221222 its reverse (22212201101102), we get a palindrome (42322311322324).

The spelling of 20110110221222 in words is "twenty trillion, one hundred ten billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-two".