220120210100222 has 4 divisors (see below), whose sum is σ = 330180315150336. Its totient is φ = 110060105050110.

The previous prime is 220120210100207. The next prime is 220120210100249. The reversal of 220120210100222 is 222001012021022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220120210100222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55030052525054 + ... + 55030052525057.

It is an arithmetic number, because the mean of its divisors is an integer number (82545078787584).

Almost surely, 2^{220120210100222} is an apocalyptic number.

220120210100222 is a deficient number, since it is larger than the sum of its proper divisors (110060105050114).

220120210100222 is a wasteful number, since it uses less digits than its factorization.

220120210100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110060105050113.

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

Adding to 220120210100222 its reverse (222001012021022), we get a palindrome (442121222121244).

The spelling of 220120210100222 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred ten million, one hundred thousand, two hundred twenty-two".