12101001223103 has 48 divisors (see below), whose sum is σ = 14450416739136. Its totient is φ = 10037888424960.

The previous prime is 12101001223037. The next prime is 12101001223133. The reversal of 12101001223103 is 30132210010121.

It is not a de Polignac number, because 12101001223103 - 2³⁶ = 12032281746367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101001223133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65025398 + ... + 65211228.

It is an arithmetic number, because the mean of its divisors is an integer number (301050348732).

Almost surely, 2^{12101001223103} is an apocalyptic number.

12101001223103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12101001223103 is a deficient number, since it is larger than the sum of its proper divisors (2349415516033).

12101001223103 is a wasteful number, since it uses less digits than its factorization.

12101001223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186464 (or 186441 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12101001223103 its reverse (30132210010121), we get a palindrome (42233211233224).

The spelling of 12101001223103 in words is "twelve trillion, one hundred one billion, one million, two hundred twenty-three thousand, one hundred three".