10201020149 has 2 divisors, whose sum is σ = 10201020150. Its totient is φ = 10201020148.

The previous prime is 10201020133. The next prime is 10201020157. The reversal of 10201020149 is 94102010201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7735202500 + 2465817649 = 87950^2 + 49657^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201020149 - 2⁴ = 10201020133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10201020149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201220149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100510074 + 5100510075.

It is an arithmetic number, because the mean of its divisors is an integer number (5100510075).

Almost surely, 2^10201020149 is an apocalyptic number.

It is an amenable number.

10201020149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201020149 is an equidigital number, since it uses as much as digits as its factorization.

10201020149 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 10201020149 in words is "ten billion, two hundred one million, twenty thousand, one hundred forty-nine".