2120010020121 has 8 divisors (see below), whose sum is σ = 3230491459264. Its totient is φ = 1211434297200.

The previous prime is 2120010020081. The next prime is 2120010020197. The reversal of 2120010020121 is 1210200100212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120010020121 - 2⁶ = 2120010020057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120010020097 and 2120010020106.

It is not an unprimeable number, because it can be changed into a prime (2120010020521) 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, 50476429030 + ... + 50476429071.

It is an arithmetic number, because the mean of its divisors is an integer number (403811432408).

Almost surely, 2^{2120010020121} is an apocalyptic number.

2120010020121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2120010020121 is a deficient number, since it is larger than the sum of its proper divisors (1110481439143).

2120010020121 is a wasteful number, since it uses less digits than its factorization.

2120010020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100952858111.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2120010020121 its reverse (1210200100212), we get a palindrome (3330210120333).

The spelling of 2120010020121 in words is "two trillion, one hundred twenty billion, ten million, twenty thousand, one hundred twenty-one".