111013021103 has 2 divisors, whose sum is σ = 111013021104. Its totient is φ = 111013021102.

The previous prime is 111013021099. The next prime is 111013021129. The reversal of 111013021103 is 301120310111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111013021103 - 2² = 111013021099 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 (111013021303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506510551 + 55506510552.

It is an arithmetic number, because the mean of its divisors is an integer number (55506510552).

Almost surely, 2^111013021103 is an apocalyptic number.

111013021103 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013021103 is an equidigital number, since it uses as much as digits as its factorization.

111013021103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111013021103 its reverse (301120310111), we get a palindrome (412133331214).

The spelling of 111013021103 in words is "one hundred eleven billion, thirteen million, twenty-one thousand, one hundred three".