202124342111 has 16 divisors (see below), whose sum is σ = 225360027360. Its totient is φ = 180156625920.

The previous prime is 202124342107. The next prime is 202124342117. The reversal of 202124342111 is 111243421202.

It is not a de Polignac number, because 202124342111 - 2² = 202124342107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202124342117) 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 15 ways as a sum of consecutive naturals, for example, 784301 + ... + 1009641.

It is an arithmetic number, because the mean of its divisors is an integer number (14085001710).

Almost surely, 2^202124342111 is an apocalyptic number.

202124342111 is a deficient number, since it is larger than the sum of its proper divisors (23235685249).

202124342111 is a wasteful number, since it uses less digits than its factorization.

202124342111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228154.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 202124342111 its reverse (111243421202), we get a palindrome (313367763313).

The spelling of 202124342111 in words is "two hundred two billion, one hundred twenty-four million, three hundred forty-two thousand, one hundred eleven".