201021010003103 has 2 divisors, whose sum is σ = 201021010003104. Its totient is φ = 201021010003102.

The previous prime is 201021010003027. The next prime is 201021010003133. The reversal of 201021010003103 is 301300010120102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201021010003103 - 2⁸ = 201021010002847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201021010003133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510505001551 + 100510505001552.

It is an arithmetic number, because the mean of its divisors is an integer number (100510505001552).

Almost surely, 2^{201021010003103} is an apocalyptic number.

201021010003103 is a deficient number, since it is larger than the sum of its proper divisors (1).

201021010003103 is an equidigital number, since it uses as much as digits as its factorization.

201021010003103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201021010003103 its reverse (301300010120102), we get a palindrome (502321020123205).

The spelling of 201021010003103 in words is "two hundred one trillion, twenty-one billion, ten million, three thousand, one hundred three".