220120002101222 has 16 divisors (see below), whose sum is σ = 337285378026432. Its totient is φ = 107692657598400.

The previous prime is 220120002101191. The next prime is 220120002101231. The reversal of 220120002101222 is 222101200021022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 220120002101222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278312813 + ... + 279102600.

It is an arithmetic number, because the mean of its divisors is an integer number (21080336126652).

Almost surely, 2^{220120002101222} is an apocalyptic number.

220120002101222 is a deficient number, since it is larger than the sum of its proper divisors (117165375925210).

220120002101222 is a wasteful number, since it uses less digits than its factorization.

220120002101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557419663.

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

Adding to 220120002101222 its reverse (222101200021022), we get a palindrome (442221202122244).

The spelling of 220120002101222 in words is "two hundred twenty trillion, one hundred twenty billion, two million, one hundred one thousand, two hundred twenty-two".