202143332111 has 4 divisors (see below), whose sum is σ = 231020950992. Its totient is φ = 173265713232.

The previous prime is 202143332087. The next prime is 202143332143. The reversal of 202143332111 is 111233341202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202143332111 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 (202143334111) 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, 14438809430 + ... + 14438809443.

It is an arithmetic number, because the mean of its divisors is an integer number (57755237748).

Almost surely, 2^202143332111 is an apocalyptic number.

202143332111 is a deficient number, since it is larger than the sum of its proper divisors (28877618881).

202143332111 is an equidigital number, since it uses as much as digits as its factorization.

202143332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28877618880.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 202143332111 its reverse (111233341202), we get a palindrome (313376673313).

Subtracting from 202143332111 its reverse (111233341202), we obtain a palindrome (90909990909).

The spelling of 202143332111 in words is "two hundred two billion, one hundred forty-three million, three hundred thirty-two thousand, one hundred eleven".