220123221221022 has 16 divisors (see below), whose sum is σ = 503138791362432. Its totient is φ = 62892348920280.

The previous prime is 220123221220961. The next prime is 220123221221051. The reversal of 220123221221022 is 220122122321022.

It is a junction number, because it is equal to n+sod(n) for n = 220123221220983 and 220123221221001.

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, 2620514538304 + ... + 2620514538387.

It is an arithmetic number, because the mean of its divisors is an integer number (31446174460152).

Almost surely, 2^{220123221221022} is an apocalyptic number.

220123221221022 is an abundant number, since it is smaller than the sum of its proper divisors (283015570141410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220123221221022 is a wasteful number, since it uses less digits than its factorization.

220123221221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241029076703.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 220123221221022 its reverse (220122122321022), we get a palindrome (440245343542044).

The spelling of 220123221221022 in words is "two hundred twenty trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred twenty-one thousand, twenty-two".