2121130113201 has 24 divisors (see below), whose sum is σ = 3466178954784. Its totient is φ = 1285533400320.

The previous prime is 2121130113191. The next prime is 2121130113229. The reversal of 2121130113201 is 1023110311212.

2121130113201 is a `hidden beast` number, since 21 + 21 + 1 + 301 + 1 + 320 + 1 = 666.

It is not a de Polignac number, because 2121130113201 - 2⁷ = 2121130113073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2121130123201) 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, 396766896 + ... + 396772241.

It is an arithmetic number, because the mean of its divisors is an integer number (144424123116).

Almost surely, 2^{2121130113201} is an apocalyptic number.

It is an amenable number.

2121130113201 is a deficient number, since it is larger than the sum of its proper divisors (1345048841583).

2121130113201 is an equidigital number, since it uses as much as digits as its factorization.

2121130113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793539163 (or 793539151 counting only the distinct ones).

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

Adding to 2121130113201 its reverse (1023110311212), we get a palindrome (3144240424413).

The spelling of 2121130113201 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, one hundred thirteen thousand, two hundred one".