102216701 has 6 divisors (see below), whose sum is σ = 104184570. Its totient is φ = 100285328.

The previous prime is 102216691. The next prime is 102216707. The reversal of 102216701 is 107612201.

It can be written as a sum of positive squares in 3 ways, for example, as 65189476 + 37027225 = 8074^2 + 6085^2 .

It is not a de Polignac number, because 102216701 - 2¹⁸ = 101954557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102216707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15386 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (17364095).

Almost surely, 2^102216701 is an apocalyptic number.

It is an amenable number.

102216701 is a deficient number, since it is larger than the sum of its proper divisors (1967869).

102216701 is an frugal number, since it uses more digits than its factorization.

102216701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36495 (or 36442 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 102216701 is about 10110.2275444225. The cubic root of 102216701 is about 467.5635205900.

Adding to 102216701 its reverse (107612201), we get a palindrome (209828902).

The spelling of 102216701 in words is "one hundred two million, two hundred sixteen thousand, seven hundred one".