122331110220 has 480 divisors, whose sum is σ = 453627288576. Its totient is φ = 27259545600.

The previous prime is 122331110219. The next prime is 122331110227. The reversal of 122331110220 is 22011133221.

122331110220 is a `hidden beast` number, since 1 + 2 + 2 + 331 + 110 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 122331110193 and 122331110202.

It is not an unprimeable number, because it can be changed into a prime (122331110227) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13021725 + ... + 13031115.

Almost surely, 2^122331110220 is an apocalyptic number.

122331110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122331110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226813644288).

122331110220 is an abundant number, since it is smaller than the sum of its proper divisors (331296178356).

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

122331110220 is a wasteful number, since it uses less digits than its factorization.

122331110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9483 (or 9472 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 122331110220 its reverse (22011133221), we get a palindrome (144342243441).

The spelling of 122331110220 in words is "one hundred twenty-two billion, three hundred thirty-one million, one hundred ten thousand, two hundred twenty".