1010020002149 has 2 divisors, whose sum is σ = 1010020002150. Its totient is φ = 1010020002148.

The previous prime is 1010020002119. The next prime is 1010020002161. The reversal of 1010020002149 is 9412000200101.

1010020002149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991796892100 + 18223110049 = 995890^2 + 134993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020002149 - 2²⁸ = 1009751566693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1010020002149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020002119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010001074 + 505010001075.

It is an arithmetic number, because the mean of its divisors is an integer number (505010001075).

Almost surely, 2^{1010020002149} is an apocalyptic number.

It is an amenable number.

1010020002149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020002149 is an equidigital number, since it uses as much as digits as its factorization.

1010020002149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 1010020002149 in words is "one trillion, ten billion, twenty million, two thousand, one hundred forty-nine".