2102120211131 has 8 divisors (see below), whose sum is σ = 2213154709200. Its totient is φ = 1991125372320.

The previous prime is 2102120211089. The next prime is 2102120211161. The reversal of 2102120211131 is 1311120212012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2102120211131 - 2¹⁰ = 2102120210107 is a prime.

It is a super-2 number, since 2×2102120211131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102120211161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9805976 + ... + 10018053.

It is an arithmetic number, because the mean of its divisors is an integer number (276644338650).

Almost surely, 2^{2102120211131} is an apocalyptic number.

2102120211131 is a deficient number, since it is larger than the sum of its proper divisors (111034498069).

2102120211131 is a wasteful number, since it uses less digits than its factorization.

2102120211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19829629.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2102120211131 its reverse (1311120212012), we get a palindrome (3413240423143).

The spelling of 2102120211131 in words is "two trillion, one hundred two billion, one hundred twenty million, two hundred eleven thousand, one hundred thirty-one".