1010020220149 has 2 divisors, whose sum is σ = 1010020220150. Its totient is φ = 1010020220148.

The previous prime is 1010020220101. The next prime is 1010020220177. The reversal of 1010020220149 is 9410220200101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 986555495025 + 23464725124 = 993255^2 + 153182^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010020220149 - 2¹¹ = 1010020218101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020220549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010110074 + 505010110075.

It is an arithmetic number, because the mean of its divisors is an integer number (505010110075).

Almost surely, 2^{1010020220149} is an apocalyptic number.

It is an amenable number.

1010020220149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020220149 is an equidigital number, since it uses as much as digits as its factorization.

1010020220149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 1010020220149 in words is "one trillion, ten billion, twenty million, two hundred twenty thousand, one hundred forty-nine".