102544445201 has 4 divisors (see below), whose sum is σ = 111866667504. Its totient is φ = 93222222900.

The previous prime is 102544445183. The next prime is 102544445221.

102544445201 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102544445201 - 2¹⁴ = 102544428817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102544445221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4661111135 + ... + 4661111156.

It is an arithmetic number, because the mean of its divisors is an integer number (27966666876).

Almost surely, 2^102544445201 is an apocalyptic number.

102544445201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102544445201 is a deficient number, since it is larger than the sum of its proper divisors (9322222303).

102544445201 is an equidigital number, since it uses as much as digits as its factorization.

102544445201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322222302.

The product of its (nonzero) digits is 25600, while the sum is 32.

It can be divided in two parts, 102544 and 445201, that added together give a palindrome (547745).

The spelling of 102544445201 in words is "one hundred two billion, five hundred forty-four million, four hundred forty-five thousand, two hundred one".