101102087 has 2 divisors, whose sum is σ = 101102088. Its totient is φ = 101102086.

The previous prime is 101102081. The next prime is 101102101. The reversal of 101102087 is 780201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101102087 - 2¹² = 101097991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101102081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551043 + 50551044.

It is an arithmetic number, because the mean of its divisors is an integer number (50551044).

Almost surely, 2^101102087 is an apocalyptic number.

101102087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101102087 is an equidigital number, since it uses as much as digits as its factorization.

101102087 is an odious number, because the sum of its binary digits is odd.

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

The square root of 101102087 is about 10054.9533564308. The cubic root of 101102087 is about 465.8578022789.

Adding to 101102087 its reverse (780201101), we get a palindrome (881303188).

The spelling of 101102087 in words is "one hundred one million, one hundred two thousand, eighty-seven".