203202021010129 has 2 divisors, whose sum is σ = 203202021010130. Its totient is φ = 203202021010128.

The previous prime is 203202021010111. The next prime is 203202021010151. The reversal of 203202021010129 is 921010120202302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151020872793025 + 52181148217104 = 12289055^2 + 7223652^2 .

It is a cyclic number.

It is not a de Polignac number, because 203202021010129 - 2⁵ = 203202021010097 is a prime.

It is a super-2 number, since 2×203202021010129² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203202021010529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101601010505064 + 101601010505065.

It is an arithmetic number, because the mean of its divisors is an integer number (101601010505065).

Almost surely, 2^{203202021010129} is an apocalyptic number.

It is an amenable number.

203202021010129 is a deficient number, since it is larger than the sum of its proper divisors (1).

203202021010129 is an equidigital number, since it uses as much as digits as its factorization.

203202021010129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 203202021010129 in words is "two hundred three trillion, two hundred two billion, twenty-one million, ten thousand, one hundred twenty-nine".