2123130202087 has 2 divisors, whose sum is σ = 2123130202088. Its totient is φ = 2123130202086.

The previous prime is 2123130202051. The next prime is 2123130202189. The reversal of 2123130202087 is 7802020313212.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123130202087 is a prime.

It is a super-3 number, since 3×2123130202087³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123130202007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061565101043 + 1061565101044.

It is an arithmetic number, because the mean of its divisors is an integer number (1061565101044).

Almost surely, 2^{2123130202087} is an apocalyptic number.

2123130202087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123130202087 is an equidigital number, since it uses as much as digits as its factorization.

2123130202087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 2123130202087 its reverse (7802020313212), we get a palindrome (9925150515299).

The spelling of 2123130202087 in words is "two trillion, one hundred twenty-three billion, one hundred thirty million, two hundred two thousand, eighty-seven".