10021120103 has 2 divisors, whose sum is σ = 10021120104. Its totient is φ = 10021120102.

The previous prime is 10021120091. The next prime is 10021120129. The reversal of 10021120103 is 30102112001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10021120103 - 2⁸ = 10021119847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10021120183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010560051 + 5010560052.

It is an arithmetic number, because the mean of its divisors is an integer number (5010560052).

Almost surely, 2^10021120103 is an apocalyptic number.

10021120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021120103 is an equidigital number, since it uses as much as digits as its factorization.

10021120103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10021120103 its reverse (30102112001), we get a palindrome (40123232104).

The spelling of 10021120103 in words is "ten billion, twenty-one million, one hundred twenty thousand, one hundred three".