110101121287 has 2 divisors, whose sum is σ = 110101121288. Its totient is φ = 110101121286.

The previous prime is 110101121219. The next prime is 110101121293. The reversal of 110101121287 is 782121101011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110101121287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110101125287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050560643 + 55050560644.

It is an arithmetic number, because the mean of its divisors is an integer number (55050560644).

Almost surely, 2^110101121287 is an apocalyptic number.

110101121287 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101121287 is an equidigital number, since it uses as much as digits as its factorization.

110101121287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 25.

Adding to 110101121287 its reverse (782121101011), we get a palindrome (892222222298).

The spelling of 110101121287 in words is "one hundred ten billion, one hundred one million, one hundred twenty-one thousand, two hundred eighty-seven".