120210220020121 has 24 divisors (see below), whose sum is σ = 152549713985760. Its totient is φ = 93669725620800.

The previous prime is 120210220020091. The next prime is 120210220020181. The reversal of 120210220020121 is 121020022012021.

It is a happy number.

It is not a de Polignac number, because 120210220020121 - 2²³ = 120210211631513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120210220020095 and 120210220020104.

It is not an unprimeable number, because it can be changed into a prime (120210220020181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101108050 + ... + 102290068.

It is an arithmetic number, because the mean of its divisors is an integer number (6356238082740).

Almost surely, 2^{120210220020121} is an apocalyptic number.

120210220020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120210220020121 is a deficient number, since it is larger than the sum of its proper divisors (32339493965639).

120210220020121 is a wasteful number, since it uses less digits than its factorization.

120210220020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370725 (or 1370718 counting only the distinct ones).

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

Adding to 120210220020121 its reverse (121020022012021), we get a palindrome (241230242032142).

The spelling of 120210220020121 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty million, twenty thousand, one hundred twenty-one".