11102121210123 has 8 divisors (see below), whose sum is σ = 16447586978000. Its totient is φ = 7401414140064.

The previous prime is 11102121210097. The next prime is 11102121210151. The reversal of 11102121210123 is 32101212120111.

It is a happy number.

It is not a de Polignac number, because 11102121210123 - 2²⁹ = 11101584339211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102121210096 and 11102121210105.

It is not an unprimeable number, because it can be changed into a prime (11102121210823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205594837198 + ... + 205594837251.

It is an arithmetic number, because the mean of its divisors is an integer number (2055948372250).

Almost surely, 2^{11102121210123} is an apocalyptic number.

11102121210123 is a deficient number, since it is larger than the sum of its proper divisors (5345465767877).

11102121210123 is an equidigital number, since it uses as much as digits as its factorization.

11102121210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411189674458 (or 411189674452 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11102121210123 its reverse (32101212120111), we get a palindrome (43203333330234).

The spelling of 11102121210123 in words is "eleven trillion, one hundred two billion, one hundred twenty-one million, two hundred ten thousand, one hundred twenty-three".