2130210101121 has 4 divisors (see below), whose sum is σ = 2840280134832. Its totient is φ = 1420140067412.

The previous prime is 2130210101119. The next prime is 2130210101137. The reversal of 2130210101121 is 1211010120312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2130210101121 - 2¹ = 2130210101119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130210101121.

It is not an unprimeable number, because it can be changed into a prime (2130210101191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355035016851 + ... + 355035016856.

It is an arithmetic number, because the mean of its divisors is an integer number (710070033708).

Almost surely, 2^{2130210101121} is an apocalyptic number.

It is an amenable number.

2130210101121 is a deficient number, since it is larger than the sum of its proper divisors (710070033711).

2130210101121 is an equidigital number, since it uses as much as digits as its factorization.

2130210101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710070033710.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2130210101121 its reverse (1211010120312), we get a palindrome (3341220221433).

The spelling of 2130210101121 in words is "two trillion, one hundred thirty billion, two hundred ten million, one hundred one thousand, one hundred twenty-one".