100111010101087 has 2 divisors, whose sum is σ = 100111010101088. Its totient is φ = 100111010101086.

The previous prime is 100111010101079. The next prime is 100111010101129. The reversal of 100111010101087 is 780101010111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100111010101087 - 2³ = 100111010101079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111010201087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055505050543 + 50055505050544.

It is an arithmetic number, because the mean of its divisors is an integer number (50055505050544).

Almost surely, 2^{100111010101087} is an apocalyptic number.

100111010101087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111010101087 is an equidigital number, since it uses as much as digits as its factorization.

100111010101087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 22.

Adding to 100111010101087 its reverse (780101010111001), we get a palindrome (880212020212088).

The spelling of 100111010101087 in words is "one hundred trillion, one hundred eleven billion, ten million, one hundred one thousand, eighty-seven".