111100211020003 has 2 divisors, whose sum is σ = 111100211020004. Its totient is φ = 111100211020002.

The previous prime is 111100211019943. The next prime is 111100211020027. The reversal of 111100211020003 is 300020112001111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100211020003 - 2²¹ = 111100208922851 is a prime.

It is a super-2 number, since 2×111100211020003² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111100211020063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550105510001 + 55550105510002.

It is an arithmetic number, because the mean of its divisors is an integer number (55550105510002).

Almost surely, 2^{111100211020003} is an apocalyptic number.

111100211020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100211020003 is an equidigital number, since it uses as much as digits as its factorization.

111100211020003 is an evil number, because the sum of its binary digits is even.

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

Adding to 111100211020003 its reverse (300020112001111), we get a palindrome (411120323021114).

The spelling of 111100211020003 in words is "one hundred eleven trillion, one hundred billion, two hundred eleven million, twenty thousand, three".