10121201123 has 8 divisors (see below), whose sum is σ = 11062428096. Its totient is φ = 9183493800.

The previous prime is 10121201099. The next prime is 10121201131. The reversal of 10121201123 is 32110212101.

10121201123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10121201123 - 2⁶ = 10121201059 is a prime.

It is a super-3 number, since 3×10121201123³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121201098 and 10121201107.

It is not an unprimeable number, because it can be changed into a prime (10121201423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873893 + ... + 885398.

It is an arithmetic number, because the mean of its divisors is an integer number (1382803512).

Almost surely, 2^10121201123 is an apocalyptic number.

10121201123 is a deficient number, since it is larger than the sum of its proper divisors (941226973).

10121201123 is a wasteful number, since it uses less digits than its factorization.

10121201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759825.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 10121201123 its reverse (32110212101), we get a palindrome (42231413224).

The spelling of 10121201123 in words is "ten billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-three".