20122100120122 has 64 divisors (see below), whose sum is σ = 40613538163968. Its totient is φ = 7221021120000.

The previous prime is 20122100120099. The next prime is 20122100120147. The reversal of 20122100120122 is 22102100122102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20122100120096 and 20122100120105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9978379 + ... + 11824222.

It is an arithmetic number, because the mean of its divisors is an integer number (634586533812).

Almost surely, 2^{20122100120122} is an apocalyptic number.

20122100120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20122100120122 is an abundant number, since it is smaller than the sum of its proper divisors (20491438043846).

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

20122100120122 is a wasteful number, since it uses less digits than its factorization.

20122100120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21803095.

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

Adding to 20122100120122 its reverse (22102100122102), we get a palindrome (42224200242224).

The spelling of 20122100120122 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, one hundred twenty thousand, one hundred twenty-two".