2110021012087 has 2 divisors, whose sum is σ = 2110021012088. Its totient is φ = 2110021012086.

The previous prime is 2110021012079. The next prime is 2110021012147. The reversal of 2110021012087 is 7802101200112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2110021012087 - 2³ = 2110021012079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110021012007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055010506043 + 1055010506044.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010506044).

Almost surely, 2^{2110021012087} is an apocalyptic number.

2110021012087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110021012087 is an equidigital number, since it uses as much as digits as its factorization.

2110021012087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 2110021012087 its reverse (7802101200112), we get a palindrome (9912122212199).

The spelling of 2110021012087 in words is "two trillion, one hundred ten billion, twenty-one million, twelve thousand, eighty-seven".