102555210133 has 4 divisors (see below), whose sum is σ = 104236443148. Its totient is φ = 100873977120.

The previous prime is 102555210101. The next prime is 102555210139. The reversal of 102555210133 is 331012555201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331012555201 = 453757 ⋅729493.

It can be written as a sum of positive squares in 2 ways, for example, as 30012790564 + 72542419569 = 173242^2 + 269337^2 .

It is a cyclic number.

It is not a de Polignac number, because 102555210133 - 2⁵ = 102555210101 is a prime.

It is a super-2 number, since 2×102555210133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102555210139) 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, 840616416 + ... + 840616537.

It is an arithmetic number, because the mean of its divisors is an integer number (26059110787).

Almost surely, 2^102555210133 is an apocalyptic number.

It is an amenable number.

102555210133 is a deficient number, since it is larger than the sum of its proper divisors (1681233015).

102555210133 is an equidigital number, since it uses as much as digits as its factorization.

102555210133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681233014.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 102555210133 its reverse (331012555201), we get a palindrome (433567765334).

The spelling of 102555210133 in words is "one hundred two billion, five hundred fifty-five million, two hundred ten thousand, one hundred thirty-three".