101111120087 has 2 divisors, whose sum is σ = 101111120088. Its totient is φ = 101111120086.

The previous prime is 101111120059. The next prime is 101111120129. The reversal of 101111120087 is 780021111101.

It is a weak prime.

It is an emirp because it is prime and its reverse (780021111101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101111120087 - 2¹⁰ = 101111119063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111120017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555560043 + 50555560044.

It is an arithmetic number, because the mean of its divisors is an integer number (50555560044).

Almost surely, 2^101111120087 is an apocalyptic number.

101111120087 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111120087 is an equidigital number, since it uses as much as digits as its factorization.

101111120087 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 23.

Adding to 101111120087 its reverse (780021111101), we get a palindrome (881132231188).

The spelling of 101111120087 in words is "one hundred one billion, one hundred eleven million, one hundred twenty thousand, eighty-seven".