20110110011003 has 2 divisors, whose sum is σ = 20110110011004. Its totient is φ = 20110110011002.

The previous prime is 20110110010997. The next prime is 20110110011083. The reversal of 20110110011003 is 30011001101102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110110011003 - 2³⁶ = 20041390534267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20110110011083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055055005501 + 10055055005502.

It is an arithmetic number, because the mean of its divisors is an integer number (10055055005502).

Almost surely, 2^{20110110011003} is an apocalyptic number.

20110110011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110110011003 is an equidigital number, since it uses as much as digits as its factorization.

20110110011003 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 20110110011003 its reverse (30011001101102), we get a palindrome (50121111112105).

The spelling of 20110110011003 in words is "twenty trillion, one hundred ten billion, one hundred ten million, eleven thousand, three".