210101101087 has 2 divisors, whose sum is σ = 210101101088. Its totient is φ = 210101101086.

The previous prime is 210101101079. The next prime is 210101101103. The reversal of 210101101087 is 780101101012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210101101087 - 2³ = 210101101079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210101101057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105050550543 + 105050550544.

It is an arithmetic number, because the mean of its divisors is an integer number (105050550544).

Almost surely, 2^210101101087 is an apocalyptic number.

210101101087 is a deficient number, since it is larger than the sum of its proper divisors (1).

210101101087 is an equidigital number, since it uses as much as digits as its factorization.

210101101087 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 22.

Adding to 210101101087 its reverse (780101101012), we get a palindrome (990202202099).

The spelling of 210101101087 in words is "two hundred ten billion, one hundred one million, one hundred one thousand, eighty-seven".