10121001000947 has 2 divisors, whose sum is σ = 10121001000948. Its totient is φ = 10121001000946.

The previous prime is 10121001000931. The next prime is 10121001001031. The reversal of 10121001000947 is 74900010012101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10121001000947 - 2⁴ = 10121001000931 is a prime.

It is a super-2 number, since 2×10121001000947² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10121001020947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060500500473 + 5060500500474.

It is an arithmetic number, because the mean of its divisors is an integer number (5060500500474).

Almost surely, 2^{10121001000947} is an apocalyptic number.

10121001000947 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121001000947 is an equidigital number, since it uses as much as digits as its factorization.

10121001000947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

The spelling of 10121001000947 in words is "ten trillion, one hundred twenty-one billion, one million, nine hundred forty-seven", and thus it is an aban number.