213120110087 has 2 divisors, whose sum is σ = 213120110088. Its totient is φ = 213120110086.

The previous prime is 213120110057. The next prime is 213120110143. The reversal of 213120110087 is 780011021312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213120110087 - 2¹⁸ = 213119847943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213120110057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106560055043 + 106560055044.

It is an arithmetic number, because the mean of its divisors is an integer number (106560055044).

Almost surely, 2^213120110087 is an apocalyptic number.

213120110087 is a deficient number, since it is larger than the sum of its proper divisors (1).

213120110087 is an equidigital number, since it uses as much as digits as its factorization.

213120110087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

Adding to 213120110087 its reverse (780011021312), we get a palindrome (993131131399).

The spelling of 213120110087 in words is "two hundred thirteen billion, one hundred twenty million, one hundred ten thousand, eighty-seven".