111201011003 has 2 divisors, whose sum is σ = 111201011004. Its totient is φ = 111201011002.

The previous prime is 111201010993. The next prime is 111201011023. The reversal of 111201011003 is 300110102111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111201011003 - 2³² = 106906043707 is a prime.

It is not a weakly prime, because it can be changed into another prime (111201011023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600505501 + 55600505502.

It is an arithmetic number, because the mean of its divisors is an integer number (55600505502).

Almost surely, 2^111201011003 is an apocalyptic number.

111201011003 is a deficient number, since it is larger than the sum of its proper divisors (1).

111201011003 is an equidigital number, since it uses as much as digits as its factorization.

111201011003 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 111201011003 its reverse (300110102111), we get a palindrome (411311113114).

The spelling of 111201011003 in words is "one hundred eleven billion, two hundred one million, eleven thousand, three".