10111202002123 has 4 divisors (see below), whose sum is σ = 10111777140688. Its totient is φ = 10110626863560.

The previous prime is 10111202002093. The next prime is 10111202002141. The reversal of 10111202002123 is 32120020211101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10111202002123 - 2⁹ = 10111202001611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10111202002097 and 10111202002106.

It is not an unprimeable number, because it can be changed into a prime (10111202002183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287542911 + ... + 287578072.

It is an arithmetic number, because the mean of its divisors is an integer number (2527944285172).

Almost surely, 2^{10111202002123} is an apocalyptic number.

10111202002123 is a deficient number, since it is larger than the sum of its proper divisors (575138565).

10111202002123 is an equidigital number, since it uses as much as digits as its factorization.

10111202002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575138564.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10111202002123 its reverse (32120020211101), we get a palindrome (42231222213224).

The spelling of 10111202002123 in words is "ten trillion, one hundred eleven billion, two hundred two million, two thousand, one hundred twenty-three".