102143212611 has 8 divisors (see below), whose sum is σ = 148571945664. Its totient is φ = 61904977320.

The previous prime is 102143212603. The next prime is 102143212669. The reversal of 102143212611 is 116212341201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102143212611 - 2³ = 102143212603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102143112611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547624401 + ... + 1547624466.

It is an arithmetic number, because the mean of its divisors is an integer number (18571493208).

Almost surely, 2^102143212611 is an apocalyptic number.

102143212611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102143212611 is a deficient number, since it is larger than the sum of its proper divisors (46428733053).

102143212611 is a wasteful number, since it uses less digits than its factorization.

102143212611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095248881.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 102143212611 its reverse (116212341201), we get a palindrome (218355553812).

The spelling of 102143212611 in words is "one hundred two billion, one hundred forty-three million, two hundred twelve thousand, six hundred eleven".