10100021000129 has 2 divisors, whose sum is σ = 10100021000130. Its totient is φ = 10100021000128.

The previous prime is 10100021000123. The next prime is 10100021000143. The reversal of 10100021000129 is 92100012000101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9743793465025 + 356227535104 = 3121505^2 + 596848^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100021000129 - 2²⁸ = 10099752564673 is a prime.

It is not a weakly prime, because it can be changed into another prime (10100021000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050010500064 + 5050010500065.

It is an arithmetic number, because the mean of its divisors is an integer number (5050010500065).

Almost surely, 2^{10100021000129} is an apocalyptic number.

It is an amenable number.

10100021000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100021000129 is an equidigital number, since it uses as much as digits as its factorization.

10100021000129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 10100021000129 in words is "ten trillion, one hundred billion, twenty-one million, one hundred twenty-nine", and thus it is an aban number.