102112111003 has 4 divisors (see below), whose sum is σ = 116699555440. Its totient is φ = 87524666568.

The previous prime is 102112110943. The next prime is 102112111043. The reversal of 102112111003 is 300111211201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300111211201 = 503 ⋅596642567.

It is a cyclic number.

It is not a de Polignac number, because 102112111003 - 2⁹ = 102112110491 is a prime.

It is a super-3 number, since 3×102112111003³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102112111043) 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, 7293722208 + ... + 7293722221.

It is an arithmetic number, because the mean of its divisors is an integer number (29174888860).

Almost surely, 2^102112111003 is an apocalyptic number.

102112111003 is a deficient number, since it is larger than the sum of its proper divisors (14587444437).

102112111003 is an equidigital number, since it uses as much as digits as its factorization.

102112111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14587444436.

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

Adding to 102112111003 its reverse (300111211201), we get a palindrome (402223322204).

The spelling of 102112111003 in words is "one hundred two billion, one hundred twelve million, one hundred eleven thousand, three".