10111121120023 has 24 divisors (see below), whose sum is σ = 12862353136640. Its totient is φ = 7779064035600.

The previous prime is 10111121120021. The next prime is 10111121120053. The reversal of 10111121120023 is 32002112111101.

It is a happy number.

It is not a de Polignac number, because 10111121120023 - 2¹ = 10111121120021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10111121119979 and 10111121120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111121120021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75487323 + ... + 75621148.

Almost surely, 2^{10111121120023} is an apocalyptic number.

10111121120023 is a deficient number, since it is larger than the sum of its proper divisors (2751232016617).

10111121120023 is a wasteful number, since it uses less digits than its factorization.

10111121120023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151108579 (or 151108568 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10111121120023 its reverse (32002112111101), we get a palindrome (42113233231124).

The spelling of 10111121120023 in words is "ten trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, twenty-three".