102243020201 has 8 divisors (see below), whose sum is σ = 119233843200. Its totient is φ = 87636874164.

The previous prime is 102243020189. The next prime is 102243020263. The reversal of 102243020201 is 102020342201.

It is not a de Polignac number, because 102243020201 - 2⁶ = 102243020137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102243020201.

It is not an unprimeable number, because it can be changed into a prime (102243020101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149041961 + ... + 149042646.

It is an arithmetic number, because the mean of its divisors is an integer number (14904230400).

Almost surely, 2^102243020201 is an apocalyptic number.

It is an amenable number.

102243020201 is a deficient number, since it is larger than the sum of its proper divisors (16990822999).

102243020201 is an frugal number, since it uses more digits than its factorization.

102243020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298084628 (or 298084614 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102243020201 its reverse (102020342201), we get a palindrome (204263362402).

The spelling of 102243020201 in words is "one hundred two billion, two hundred forty-three million, twenty thousand, two hundred one".