201124101023 has 4 divisors (see below), whose sum is σ = 201125168328. Its totient is φ = 201123033720.

The previous prime is 201124100971. The next prime is 201124101029. The reversal of 201124101023 is 320101421102.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 201124101023 - 2⁶ = 201124100959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201124100992 and 201124101010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201124101029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167036 + ... + 655857.

It is an arithmetic number, because the mean of its divisors is an integer number (50281292082).

Almost surely, 2^201124101023 is an apocalyptic number.

201124101023 is a deficient number, since it is larger than the sum of its proper divisors (1067305).

201124101023 is an equidigital number, since it uses as much as digits as its factorization.

201124101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067304.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201124101023 its reverse (320101421102), we get a palindrome (521225522125).

The spelling of 201124101023 in words is "two hundred one billion, one hundred twenty-four million, one hundred one thousand, twenty-three".