1111211230103 has 4 divisors (see below), whose sum is σ = 1196689017048. Its totient is φ = 1025733443160.

The previous prime is 1111211230061. The next prime is 1111211230111. The reversal of 1111211230103 is 3010321121111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1111211230103 - 2⁸ = 1111211229847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111211230403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42738893453 + ... + 42738893478.

It is an arithmetic number, because the mean of its divisors is an integer number (299172254262).

Almost surely, 2^{1111211230103} is an apocalyptic number.

1111211230103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1111211230103 is a deficient number, since it is larger than the sum of its proper divisors (85477786945).

1111211230103 is an equidigital number, since it uses as much as digits as its factorization.

1111211230103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85477786944.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1111211230103 its reverse (3010321121111), we get a palindrome (4121532351214).

The spelling of 1111211230103 in words is "one trillion, one hundred eleven billion, two hundred eleven million, two hundred thirty thousand, one hundred three".