220120212121222 has 8 divisors (see below), whose sum is σ = 377348935064976. Its totient is φ = 94337233766232.

The previous prime is 220120212121181. The next prime is 220120212121247. The reversal of 220120212121222 is 222121212021022.

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

It is a junction number, because it is equal to n+sod(n) for n = 220120212121193 and 220120212121202.

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, 7861436147173 + ... + 7861436147200.

It is an arithmetic number, because the mean of its divisors is an integer number (47168616883122).

Almost surely, 2^{220120212121222} is an apocalyptic number.

220120212121222 is a deficient number, since it is larger than the sum of its proper divisors (157228722943754).

220120212121222 is a wasteful number, since it uses less digits than its factorization.

220120212121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15722872294382.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220120212121222 its reverse (222121212021022), we get a palindrome (442241424142244).

The spelling of 220120212121222 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".