101111243287 has 2 divisors, whose sum is σ = 101111243288. Its totient is φ = 101111243286.

The previous prime is 101111243269. The next prime is 101111243323. The reversal of 101111243287 is 782342111101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101111243287 - 2⁷ = 101111243159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111244287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555621643 + 50555621644.

It is an arithmetic number, because the mean of its divisors is an integer number (50555621644).

Almost surely, 2^101111243287 is an apocalyptic number.

101111243287 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111243287 is an equidigital number, since it uses as much as digits as its factorization.

101111243287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

Adding to 101111243287 its reverse (782342111101), we get a palindrome (883453354388).

The spelling of 101111243287 in words is "one hundred one billion, one hundred eleven million, two hundred forty-three thousand, two hundred eighty-seven".