102105152101 has 4 divisors (see below), whose sum is σ = 102108081600. Its totient is φ = 102102222604.

The previous prime is 102105152081. The next prime is 102105152113. The reversal of 102105152101 is 101251501201.

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 102105152101 - 2²³ = 102096763493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102105152131) 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, 1411831 + ... + 1482388.

It is an arithmetic number, because the mean of its divisors is an integer number (25527020400).

Almost surely, 2^102105152101 is an apocalyptic number.

It is an amenable number.

102105152101 is a deficient number, since it is larger than the sum of its proper divisors (2929499).

102105152101 is an equidigital number, since it uses as much as digits as its factorization.

102105152101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929498.

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 102105152101 its reverse (101251501201), we get a palindrome (203356653302).

The spelling of 102105152101 in words is "one hundred two billion, one hundred five million, one hundred fifty-two thousand, one hundred one".