1101112111203 has 16 divisors (see below), whose sum is σ = 1674089002656. Its totient is φ = 637748190720.

The previous prime is 1101112111199. The next prime is 1101112111207. The reversal of 1101112111203 is 3021112111011.

It is an interprime number because it is at equal distance from previous prime (1101112111199) and next prime (1101112111207).

It is not a de Polignac number, because 1101112111203 - 2² = 1101112111199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101112111207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830400628 + ... + 830401953.

It is an arithmetic number, because the mean of its divisors is an integer number (104630562666).

Almost surely, 2^{1101112111203} is an apocalyptic number.

1101112111203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1101112111203 is a deficient number, since it is larger than the sum of its proper divisors (572976891453).

1101112111203 is a wasteful number, since it uses less digits than its factorization.

1101112111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660802614.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1101112111203 its reverse (3021112111011), we get a palindrome (4122224222214).

The spelling of 1101112111203 in words is "one trillion, one hundred one billion, one hundred twelve million, one hundred eleven thousand, two hundred three".