10143321111 has 48 divisors (see below), whose sum is σ = 18345450240. Its totient is φ = 5246559360.

The previous prime is 10143321079. The next prime is 10143321119. The reversal of 10143321111 is 11112334101.

It is a happy number.

10143321111 is a `hidden beast` number, since 10 + 1 + 433 + 211 + 11 = 666.

10143321111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10143321111 - 2⁵ = 10143321079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10143321119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130060 + ... + 192878.

It is an arithmetic number, because the mean of its divisors is an integer number (382196880).

Almost surely, 2^10143321111 is an apocalyptic number.

10143321111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10143321111 is a deficient number, since it is larger than the sum of its proper divisors (8202129129).

10143321111 is a wasteful number, since it uses less digits than its factorization.

10143321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63076 (or 63073 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10143321111 its reverse (11112334101), we get a palindrome (21255655212).

The spelling of 10143321111 in words is "ten billion, one hundred forty-three million, three hundred twenty-one thousand, one hundred eleven".