11112021103 has 2 divisors, whose sum is σ = 11112021104. Its totient is φ = 11112021102.

The previous prime is 11112021101. The next prime is 11112021121. The reversal of 11112021103 is 30112021111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112021103 - 2¹ = 11112021101 is a prime.

Together with 11112021101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112021101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556010551 + 5556010552.

It is an arithmetic number, because the mean of its divisors is an integer number (5556010552).

Almost surely, 2^11112021103 is an apocalyptic number.

11112021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112021103 is an equidigital number, since it uses as much as digits as its factorization.

11112021103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11112021103 its reverse (30112021111), we get a palindrome (41224042214).

The spelling of 11112021103 in words is "eleven billion, one hundred twelve million, twenty-one thousand, one hundred three".