143200311121 has 12 divisors (see below), whose sum is σ = 176378775588. Its totient is φ = 115522939392.

The previous prime is 143200311113. The next prime is 143200311203. The reversal of 143200311121 is 121113002341.

It can be written as a sum of positive squares in 2 ways, for example, as 134234304400 + 8966006721 = 366380^2 + 94689^2 .

It is not a de Polignac number, because 143200311121 - 2³ = 143200311113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143200371121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85953736 + ... + 85955401.

It is an arithmetic number, because the mean of its divisors is an integer number (14698231299).

Almost surely, 2^143200311121 is an apocalyptic number.

It is an amenable number.

143200311121 is a deficient number, since it is larger than the sum of its proper divisors (33178464467).

143200311121 is a wasteful number, since it uses less digits than its factorization.

143200311121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171909168 (or 171909161 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 143200311121 its reverse (121113002341), we get a palindrome (264313313462).

The spelling of 143200311121 in words is "one hundred forty-three billion, two hundred million, three hundred eleven thousand, one hundred twenty-one".