101111001012247 has 2 divisors, whose sum is σ = 101111001012248. Its totient is φ = 101111001012246.

The previous prime is 101111001012179. The next prime is 101111001012257. The reversal of 101111001012247 is 742210100111101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101111001012247 is a prime.

It is a super-2 number, since 2×101111001012247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111001012257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555500506123 + 50555500506124.

It is an arithmetic number, because the mean of its divisors is an integer number (50555500506124).

Almost surely, 2^{101111001012247} is an apocalyptic number.

101111001012247 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111001012247 is an equidigital number, since it uses as much as digits as its factorization.

101111001012247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 101111001012247 its reverse (742210100111101), we get a palindrome (843321101123348).

The spelling of 101111001012247 in words is "one hundred one trillion, one hundred eleven billion, one million, twelve thousand, two hundred forty-seven".