2100110087 has 2 divisors, whose sum is σ = 2100110088. Its totient is φ = 2100110086.

The previous prime is 2100110057. The next prime is 2100110119. The reversal of 2100110087 is 7800110012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100110087 - 2¹² = 2100105991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100110057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050055043 + 1050055044.

It is an arithmetic number, because the mean of its divisors is an integer number (1050055044).

Almost surely, 2^2100110087 is an apocalyptic number.

2100110087 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100110087 is an equidigital number, since it uses as much as digits as its factorization.

2100110087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 2100110087 is about 45826.9580814612. The cubic root of 2100110087 is about 1280.6015415994.

Adding to 2100110087 its reverse (7800110012), we get a palindrome (9900220099).

The spelling of 2100110087 in words is "two billion, one hundred million, one hundred ten thousand, eighty-seven".