101001212287 has 2 divisors, whose sum is σ = 101001212288. Its totient is φ = 101001212286.

The previous prime is 101001212153. The next prime is 101001212297. The reversal of 101001212287 is 782212100101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001212287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101001212297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500606143 + 50500606144.

It is an arithmetic number, because the mean of its divisors is an integer number (50500606144).

Almost surely, 2^101001212287 is an apocalyptic number.

101001212287 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001212287 is an equidigital number, since it uses as much as digits as its factorization.

101001212287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 101001212287 its reverse (782212100101), we get a palindrome (883213312388).

The spelling of 101001212287 in words is "one hundred one billion, one million, two hundred twelve thousand, two hundred eighty-seven".