2011021120103 has 2 divisors, whose sum is σ = 2011021120104. Its totient is φ = 2011021120102.

The previous prime is 2011021120091. The next prime is 2011021120117. The reversal of 2011021120103 is 3010211201102.

It is an a-pointer prime, because the next prime (2011021120117) can be obtained adding 2011021120103 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011021120103 - 2²⁰ = 2011020071527 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011021120193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005510560051 + 1005510560052.

It is an arithmetic number, because the mean of its divisors is an integer number (1005510560052).

Almost surely, 2^{2011021120103} is an apocalyptic number.

2011021120103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011021120103 is an equidigital number, since it uses as much as digits as its factorization.

2011021120103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2011021120103 its reverse (3010211201102), we get a palindrome (5021232321205).

The spelling of 2011021120103 in words is "two trillion, eleven billion, twenty-one million, one hundred twenty thousand, one hundred three".