10100121101047 has 2 divisors, whose sum is σ = 10100121101048. Its totient is φ = 10100121101046.

The previous prime is 10100121101011. The next prime is 10100121101111. The reversal of 10100121101047 is 74010112100101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10100121101047 - 2¹⁹ = 10100120576759 is a prime.

It is a super-3 number, since 3×10100121101047³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10100121101347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050060550523 + 5050060550524.

It is an arithmetic number, because the mean of its divisors is an integer number (5050060550524).

Almost surely, 2^{10100121101047} is an apocalyptic number.

10100121101047 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100121101047 is an equidigital number, since it uses as much as digits as its factorization.

10100121101047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 10100121101047 its reverse (74010112100101), we get a palindrome (84110233201148).

The spelling of 10100121101047 in words is "ten trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, forty-seven".