111200101021003 has 2 divisors, whose sum is σ = 111200101021004. Its totient is φ = 111200101021002.

The previous prime is 111200101020901. The next prime is 111200101021027. The reversal of 111200101021003 is 300120101002111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111200101021003 - 2³⁷ = 111062662067531 is a prime.

It is not a weakly prime, because it can be changed into another prime (111200101021063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600050510501 + 55600050510502.

It is an arithmetic number, because the mean of its divisors is an integer number (55600050510502).

Almost surely, 2^{111200101021003} is an apocalyptic number.

111200101021003 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200101021003 is an equidigital number, since it uses as much as digits as its factorization.

111200101021003 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 111200101021003 its reverse (300120101002111), we get a palindrome (411320202023114).

The spelling of 111200101021003 in words is "one hundred eleven trillion, two hundred billion, one hundred one million, twenty-one thousand, three".