102132220213 has 4 divisors (see below), whose sum is σ = 105654020940. Its totient is φ = 98610419488.

The previous prime is 102132220181. The next prime is 102132220231. The reversal of 102132220213 is 312022231201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312022231201 = 97 ⋅3216724033.

It can be written as a sum of positive squares in 2 ways, for example, as 17915019409 + 84217200804 = 133847^2 + 290202^2 .

It is a cyclic number.

It is not a de Polignac number, because 102132220213 - 2⁵ = 102132220181 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 (102132220313) 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, 1760900320 + ... + 1760900377.

It is an arithmetic number, because the mean of its divisors is an integer number (26413505235).

Almost surely, 2^102132220213 is an apocalyptic number.

It is an amenable number.

102132220213 is a deficient number, since it is larger than the sum of its proper divisors (3521800727).

102132220213 is an equidigital number, since it uses as much as digits as its factorization.

102132220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521800726.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102132220213 its reverse (312022231201), we get a palindrome (414154451414).

The spelling of 102132220213 in words is "one hundred two billion, one hundred thirty-two million, two hundred twenty thousand, two hundred thirteen".