101121201012047 has 2 divisors, whose sum is σ = 101121201012048. Its totient is φ = 101121201012046.

The previous prime is 101121201012019. The next prime is 101121201012089. The reversal of 101121201012047 is 740210102121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101121201012047 - 2⁴⁰ = 100021689384271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101121201012947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560600506023 + 50560600506024.

It is an arithmetic number, because the mean of its divisors is an integer number (50560600506024).

Almost surely, 2^{101121201012047} is an apocalyptic number.

101121201012047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121201012047 is an equidigital number, since it uses as much as digits as its factorization.

101121201012047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 101121201012047 its reverse (740210102121101), we get a palindrome (841331303133148).

The spelling of 101121201012047 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred one million, twelve thousand, forty-seven".