122122220110220 has 24 divisors (see below), whose sum is σ = 279770904253008. Its totient is φ = 44408080040000.

The previous prime is 122122220110217. The next prime is 122122220110273. The reversal of 122122220110220 is 22011022221221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 122122220110192 and 122122220110201.

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, 277550500031 + ... + 277550500470.

It is an arithmetic number, because the mean of its divisors is an integer number (11657121010542).

Almost surely, 2^{122122220110220} is an apocalyptic number.

122122220110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122220110220 is an abundant number, since it is smaller than the sum of its proper divisors (157648684142788).

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

122122220110220 is a wasteful number, since it uses less digits than its factorization.

122122220110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555101000521 (or 555101000519 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 122122220110220 its reverse (22011022221221), we get a palindrome (144133242331441).

The spelling of 122122220110220 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty".