111012201221503 has 2 divisors, whose sum is σ = 111012201221504. Its totient is φ = 111012201221502.

The previous prime is 111012201221501. The next prime is 111012201221533. The reversal of 111012201221503 is 305122102210111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111012201221503 - 2¹ = 111012201221501 is a prime.

Together with 111012201221501, 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 (111012201221501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506100610751 + 55506100610752.

It is an arithmetic number, because the mean of its divisors is an integer number (55506100610752).

Almost surely, 2^{111012201221503} is an apocalyptic number.

111012201221503 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012201221503 is an equidigital number, since it uses as much as digits as its factorization.

111012201221503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 111012201221503 its reverse (305122102210111), we get a palindrome (416134303431614).

The spelling of 111012201221503 in words is "one hundred eleven trillion, twelve billion, two hundred one million, two hundred twenty-one thousand, five hundred three".