2130123011121 has 96 divisors (see below), whose sum is σ = 3622131302400. Its totient is φ = 1181182020480.

The previous prime is 2130123011069. The next prime is 2130123011129. The reversal of 2130123011121 is 1211103210312.

2130123011121 is a `hidden beast` number, since 2 + 1 + 301 + 230 + 11 + 121 = 666.

It is not a de Polignac number, because 2130123011121 - 2¹⁸ = 2130122748977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130123011094 and 2130123011103.

It is not an unprimeable number, because it can be changed into a prime (2130123011129) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 512169840 + ... + 512173998.

It is an arithmetic number, because the mean of its divisors is an integer number (37730534400).

Almost surely, 2^{2130123011121} is an apocalyptic number.

2130123011121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2130123011121 is a deficient number, since it is larger than the sum of its proper divisors (1492008291279).

2130123011121 is a wasteful number, since it uses less digits than its factorization.

2130123011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019 (or 6016 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2130123011121 its reverse (1211103210312), we get a palindrome (3341226221433).

The spelling of 2130123011121 in words is "two trillion, one hundred thirty billion, one hundred twenty-three million, eleven thousand, one hundred twenty-one".