122011120022020 has 24 divisors (see below), whose sum is σ = 257855347925784. Its totient is φ = 48493591650816.

The previous prime is 122011120021997. The next prime is 122011120022041. The reversal of 122011120022020 is 20220021110221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1977578437696 + 120033541584324 = 1406264^2 + 10955982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122011120021985 and 122011120022003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19428519157 + ... + 19428525436.

It is an arithmetic number, because the mean of its divisors is an integer number (10743972830241).

Almost surely, 2^{122011120022020} is an apocalyptic number.

122011120022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011120022020 is an abundant number, since it is smaller than the sum of its proper divisors (135844227903764).

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

122011120022020 is a wasteful number, since it uses less digits than its factorization.

122011120022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38857044759 (or 38857044757 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122011120022020 its reverse (20220021110221), we get a palindrome (142231141132241).

The spelling of 122011120022020 in words is "one hundred twenty-two trillion, eleven billion, one hundred twenty million, twenty-two thousand, twenty".