102143400201 has 24 divisors (see below), whose sum is σ = 148496631296. Its totient is φ = 67654582560.

The previous prime is 102143400199. The next prime is 102143400211. The reversal of 102143400201 is 102004341201.

102143400201 is a `hidden beast` number, since 1 + 0 + 21 + 43 + 400 + 201 = 666.

It is not a de Polignac number, because 102143400201 - 2¹ = 102143400199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102143400211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4964331 + ... + 4984863.

Almost surely, 2^102143400201 is an apocalyptic number.

It is an amenable number.

102143400201 is a deficient number, since it is larger than the sum of its proper divisors (46353231095).

102143400201 is a wasteful number, since it uses less digits than its factorization.

102143400201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24093 (or 24090 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 102143400201 its reverse (102004341201), we get a palindrome (204147741402).

The spelling of 102143400201 in words is "one hundred two billion, one hundred forty-three million, four hundred thousand, two hundred one".