122231320110 has 256 divisors, whose sum is σ = 350571110400. Its totient is φ = 30247603200.

The previous prime is 122231320093. The next prime is 122231320117. The reversal of 122231320110 is 11023132221.

122231320110 is a `hidden beast` number, since 1 + 2 + 2 + 231 + 320 + 110 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122231320117) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20244012 + ... + 20250048.

It is an arithmetic number, because the mean of its divisors is an integer number (1369418400).

Almost surely, 2^122231320110 is an apocalyptic number.

122231320110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122231320110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175285555200).

122231320110 is an abundant number, since it is smaller than the sum of its proper divisors (228339790290).

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

122231320110 is a wasteful number, since it uses less digits than its factorization.

122231320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6184 (or 6178 counting only the distinct ones).

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

Adding to 122231320110 its reverse (11023132221), we get a palindrome (133254452331).

The spelling of 122231320110 in words is "one hundred twenty-two billion, two hundred thirty-one million, three hundred twenty thousand, one hundred ten".