102120332113 has 4 divisors (see below), whose sum is σ = 103173119140. Its totient is φ = 101067545088.

The previous prime is 102120332063. The next prime is 102120332131. The reversal of 102120332113 is 311233021201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311233021201 = 23 ⋅13531870487.

It can be written as a sum of positive squares in 2 ways, for example, as 19367453889 + 82752878224 = 139167^2 + 287668^2 .

It is a cyclic number.

It is not a de Polignac number, because 102120332113 - 2⁹ = 102120331601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102120332173) 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, 526393368 + ... + 526393561.

It is an arithmetic number, because the mean of its divisors is an integer number (25793279785).

Almost surely, 2^102120332113 is an apocalyptic number.

It is an amenable number.

102120332113 is a deficient number, since it is larger than the sum of its proper divisors (1052787027).

102120332113 is an equidigital number, since it uses as much as digits as its factorization.

102120332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052787026.

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

Adding to 102120332113 its reverse (311233021201), we get a palindrome (413353353314).

The spelling of 102120332113 in words is "one hundred two billion, one hundred twenty million, three hundred thirty-two thousand, one hundred thirteen".