10202120202103 has 2 divisors, whose sum is σ = 10202120202104. Its totient is φ = 10202120202102.

The previous prime is 10202120202097. The next prime is 10202120202167. The reversal of 10202120202103 is 30120202120201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10202120202103 - 2⁹ = 10202120201591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10202120002103) 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, 5101060101051 + 5101060101052.

It is an arithmetic number, because the mean of its divisors is an integer number (5101060101052).

Almost surely, 2^{10202120202103} is an apocalyptic number.

10202120202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202120202103 is an equidigital number, since it uses as much as digits as its factorization.

10202120202103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10202120202103 its reverse (30120202120201), we get a palindrome (40322322322304).

The spelling of 10202120202103 in words is "ten trillion, two hundred two billion, one hundred twenty million, two hundred two thousand, one hundred three".