122021222020 has 24 divisors (see below), whose sum is σ = 269731123200. Its totient is φ = 46239620832.

The previous prime is 122021221969. The next prime is 122021222117. The reversal of 122021222020 is 20222120221.

It is a junction number, because it is equal to n+sod(n) for n = 122021221985 and 122021222003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160553860 + ... + 160554619.

It is an arithmetic number, because the mean of its divisors is an integer number (11238796800).

Almost surely, 2^122021222020 is an apocalyptic number.

122021222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122021222020 is an abundant number, since it is smaller than the sum of its proper divisors (147709901180).

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

122021222020 is a wasteful number, since it uses less digits than its factorization.

122021222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321108507 (or 321108505 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122021222020 its reverse (20222120221), we get a palindrome (142243342241).

The spelling of 122021222020 in words is "one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, twenty".