220122122321010 has 128 divisors (see below), whose sum is σ = 688454348327424. Its totient is φ = 43711387176960.

The previous prime is 220122122320979. The next prime is 220122122321011. The reversal of 220122122321010 is 10123221221022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (220122122321011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2371448121 + ... + 2371540940.

It is an arithmetic number, because the mean of its divisors is an integer number (5378549596308).

Almost surely, 2^{220122122321010} is an apocalyptic number.

220122122321010 is an abundant number, since it is smaller than the sum of its proper divisors (468332226006414).

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

220122122321010 is a wasteful number, since it uses less digits than its factorization.

220122122321010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742989108.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 220122122321010 its reverse (10123221221022), we get a palindrome (230245343542032).

The spelling of 220122122321010 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-one thousand, ten".