102151505201 has 4 divisors (see below), whose sum is σ = 102152162304. Its totient is φ = 102150848100.

The previous prime is 102151505191. The next prime is 102151505221. The reversal of 102151505201 is 102505151201.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102151505201 - 2¹⁰ = 102151504177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102151505221) 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 3 ways as a sum of consecutive naturals, for example, 50096 + ... + 454766.

It is an arithmetic number, because the mean of its divisors is an integer number (25538040576).

Almost surely, 2^102151505201 is an apocalyptic number.

It is an amenable number.

102151505201 is a deficient number, since it is larger than the sum of its proper divisors (657103).

102151505201 is an equidigital number, since it uses as much as digits as its factorization.

102151505201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657102.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 102151505201 its reverse (102505151201), we get a palindrome (204656656402).

The spelling of 102151505201 in words is "one hundred two billion, one hundred fifty-one million, five hundred five thousand, two hundred one".