122112223110220 has 72 divisors (see below), whose sum is σ = 311322788987616. Its totient is φ = 39404280385536.

The previous prime is 122112223110217. The next prime is 122112223110221. The reversal of 122112223110220 is 22011322211221.

It is a super-2 number, since 2×122112223110220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122112223110191 and 122112223110200.

It is not an unprimeable number, because it can be changed into a prime (122112223110221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1509008269 + ... + 1509089188.

It is an arithmetic number, because the mean of its divisors is an integer number (4323927624828).

Almost surely, 2^{122112223110220} is an apocalyptic number.

122112223110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122112223110220 is an abundant number, since it is smaller than the sum of its proper divisors (189210565877396).

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

122112223110220 is a wasteful number, since it uses less digits than its factorization.

122112223110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3018097507 (or 3018097488 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 122112223110220 its reverse (22011322211221), we get a palindrome (144123545321441).

The spelling of 122112223110220 in words is "one hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-three million, one hundred ten thousand, two hundred twenty".