122011000022020 has 24 divisors (see below), whose sum is σ = 256244637328344. Its totient is φ = 48800297669376.

The previous prime is 122011000022003. The next prime is 122011000022027. The reversal of 122011000022020 is 20220000110221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15454144742976 + 106556855279044 = 3931176^2 + 10322638^2 .

It is not an unprimeable number, because it can be changed into a prime (122011000022027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256152327 + ... + 256628206.

It is an arithmetic number, because the mean of its divisors is an integer number (10676859888681).

Almost surely, 2^{122011000022020} is an apocalyptic number.

122011000022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011000022020 is an abundant number, since it is smaller than the sum of its proper divisors (134233637306324).

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

122011000022020 is a wasteful number, since it uses less digits than its factorization.

122011000022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512792439 (or 512792437 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122011000022020 its reverse (20220000110221), we get a palindrome (142231000132241).

The spelling of 122011000022020 in words is "one hundred twenty-two trillion, eleven billion, twenty-two thousand, twenty".