120121022201020 has 48 divisors (see below), whose sum is σ = 252959815674720. Its totient is φ = 47914178247936.

The previous prime is 120121022200981. The next prime is 120121022201069. The reversal of 120121022201020 is 20102220121021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120121022200985 and 120121022201003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4828314 + ... + 16234366.

It is an arithmetic number, because the mean of its divisors is an integer number (5269996159890).

Almost surely, 2^{120121022201020} is an apocalyptic number.

120121022201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120121022201020 is an abundant number, since it is smaller than the sum of its proper divisors (132838793473700).

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

120121022201020 is a wasteful number, since it uses less digits than its factorization.

120121022201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11407534 (or 11407532 counting only the distinct ones).

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

Adding to 120121022201020 its reverse (20102220121021), we get a palindrome (140223242322041).

The spelling of 120121022201020 in words is "one hundred twenty trillion, one hundred twenty-one billion, twenty-two million, two hundred one thousand, twenty".