2130121302187 has 2 divisors, whose sum is σ = 2130121302188. Its totient is φ = 2130121302186.

The previous prime is 2130121302163. The next prime is 2130121302247. The reversal of 2130121302187 is 7812031210312.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130121302187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2130121302587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065060651093 + 1065060651094.

It is an arithmetic number, because the mean of its divisors is an integer number (1065060651094).

Almost surely, 2^{2130121302187} is an apocalyptic number.

2130121302187 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130121302187 is an equidigital number, since it uses as much as digits as its factorization.

2130121302187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

Adding to 2130121302187 its reverse (7812031210312), we get a palindrome (9942152512499).

The spelling of 2130121302187 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred two thousand, one hundred eighty-seven".