2130031211121 has 24 divisors (see below), whose sum is σ = 3356477111520. Its totient is φ = 1290903278400.

The previous prime is 2130031211117. The next prime is 2130031211129. The reversal of 2130031211121 is 1211121300312.

2130031211121 is a `hidden beast` number, since 2 + 1 + 300 + 31 + 211 + 121 = 666.

It is not a de Polignac number, because 2130031211121 - 2² = 2130031211117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130031211094 and 2130031211103.

It is not an unprimeable number, because it can be changed into a prime (2130031211129) 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, 5896365 + ... + 6247173.

It is an arithmetic number, because the mean of its divisors is an integer number (139853212980).

Almost surely, 2^{2130031211121} is an apocalyptic number.

It is an amenable number.

2130031211121 is a deficient number, since it is larger than the sum of its proper divisors (1226445900399).

2130031211121 is a wasteful number, since it uses less digits than its factorization.

2130031211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412157 (or 412154 counting only the distinct ones).

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

Adding to 2130031211121 its reverse (1211121300312), we get a palindrome (3341152511433).

The spelling of 2130031211121 in words is "two trillion, one hundred thirty billion, thirty-one million, two hundred eleven thousand, one hundred twenty-one".