102216013 has 4 divisors (see below), whose sum is σ = 102951520. Its totient is φ = 101480508.

The previous prime is 102216001. The next prime is 102216017. The reversal of 102216013 is 310612201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310612201 = 67 ⋅4636003.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102216013 is a prime.

It is a super-2 number, since 2×102216013² = 20896226627232338, which 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 (102216017) 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, 367545 + ... + 367822.

It is an arithmetic number, because the mean of its divisors is an integer number (25737880).

Almost surely, 2^102216013 is an apocalyptic number.

It is an amenable number.

102216013 is a deficient number, since it is larger than the sum of its proper divisors (735507).

102216013 is an equidigital number, since it uses as much as digits as its factorization.

102216013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735506.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102216013 is about 10110.1935194140. The cubic root of 102216013 is about 467.5624715624.

Adding to 102216013 its reverse (310612201), we get a palindrome (412828214).

The spelling of 102216013 in words is "one hundred two million, two hundred sixteen thousand, thirteen".