211312301121 has 48 divisors (see below), whose sum is σ = 333575424000. Its totient is φ = 133307354448.

The previous prime is 211312301113. The next prime is 211312301141. The reversal of 211312301121 is 121103213112.

211312301121 is a `hidden beast` number, since 211 + 31 + 2 + 301 + 121 = 666.

It is not a de Polignac number, because 211312301121 - 2³ = 211312301113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 211312301094 and 211312301103.

It is not an unprimeable number, because it can be changed into a prime (211312301141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4069480 + ... + 4121078.

It is an arithmetic number, because the mean of its divisors is an integer number (6949488000).

Almost surely, 2^211312301121 is an apocalyptic number.

It is an amenable number.

211312301121 is a deficient number, since it is larger than the sum of its proper divisors (122263122879).

211312301121 is an equidigital number, since it uses as much as digits as its factorization.

211312301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52520 (or 52508 counting only the distinct ones).

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

Adding to 211312301121 its reverse (121103213112), we get a palindrome (332415514233).

The spelling of 211312301121 in words is "two hundred eleven billion, three hundred twelve million, three hundred one thousand, one hundred twenty-one".