20010110110103 has 2 divisors, whose sum is σ = 20010110110104. Its totient is φ = 20010110110102.

The previous prime is 20010110110073. The next prime is 20010110110139. The reversal of 20010110110103 is 30101101101002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010110110103 - 2¹⁶ = 20010110044567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010110110153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005055055051 + 10005055055052.

It is an arithmetic number, because the mean of its divisors is an integer number (10005055055052).

Almost surely, 2^{20010110110103} is an apocalyptic number.

20010110110103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010110110103 is an equidigital number, since it uses as much as digits as its factorization.

20010110110103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 20010110110103 its reverse (30101101101002), we get a palindrome (50111211211105).

The spelling of 20010110110103 in words is "twenty trillion, ten billion, one hundred ten million, one hundred ten thousand, one hundred three".