20110220201222 has 8 divisors (see below), whose sum is σ = 30280027376016. Its totient is φ = 10016877742552.

The previous prime is 20110220201213. The next prime is 20110220201237. The reversal of 20110220201222 is 22210202201102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20110220201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19116178373 + ... + 19116179424.

It is an arithmetic number, because the mean of its divisors is an integer number (3785003422002).

Almost surely, 2^{20110220201222} is an apocalyptic number.

20110220201222 is a deficient number, since it is larger than the sum of its proper divisors (10169807174794).

20110220201222 is a wasteful number, since it uses less digits than its factorization.

20110220201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38232358062.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20110220201222 its reverse (22210202201102), we get a palindrome (42320422402324).

The spelling of 20110220201222 in words is "twenty trillion, one hundred ten billion, two hundred twenty million, two hundred one thousand, two hundred twenty-two".