122122022220220 has 96 divisors (see below), whose sum is σ = 288801008197632. Its totient is φ = 42974642880000.

The previous prime is 122122022220137. The next prime is 122122022220221. The reversal of 122122022220220 is 22022220221221.

It is a super-2 number, since 2×122122022220220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 122122022220191 and 122122022220200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122122022220221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417449200 + ... + 417741640.

It is an arithmetic number, because the mean of its divisors is an integer number (3008343835392).

Almost surely, 2^{122122022220220} is an apocalyptic number.

122122022220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122022220220 is an abundant number, since it is smaller than the sum of its proper divisors (166678985977412).

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

122122022220220 is a wasteful number, since it uses less digits than its factorization.

122122022220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353723 (or 353721 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 122122022220220 its reverse (22022220221221), we get a palindrome (144144242441441).

The spelling of 122122022220220 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, twenty-two million, two hundred twenty thousand, two hundred twenty".