102123102133 has 4 divisors (see below), whose sum is σ = 109978725388. Its totient is φ = 94267478880.

The previous prime is 102123102131. The next prime is 102123102139. The reversal of 102123102133 is 331201321201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9842028849 + 92281073284 = 99207^2 + 303778^2 .

It is a cyclic number.

It is not a de Polignac number, because 102123102133 - 2¹ = 102123102131 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 102123102133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102123102131) 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, 3927811608 + ... + 3927811633.

It is an arithmetic number, because the mean of its divisors is an integer number (27494681347).

Almost surely, 2^102123102133 is an apocalyptic number.

102123102133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

102123102133 is a deficient number, since it is larger than the sum of its proper divisors (7855623255).

102123102133 is an equidigital number, since it uses as much as digits as its factorization.

102123102133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7855623254.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102123102133 its reverse (331201321201), we get a palindrome (433324423334).

The spelling of 102123102133 in words is "one hundred two billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-three".