102221611 has 8 divisors (see below), whose sum is σ = 103970304. Its totient is φ = 100481640.

The previous prime is 102221597. The next prime is 102221627. The reversal of 102221611 is 116122201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102221611 - 2⁵ = 102221579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102221641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24096 + ... + 28018.

It is an arithmetic number, because the mean of its divisors is an integer number (12996288).

Almost surely, 2^102221611 is an apocalyptic number.

102221611 is a deficient number, since it is larger than the sum of its proper divisors (1748693).

102221611 is an equidigital number, since it uses as much as digits as its factorization.

102221611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 102221611 is about 10110.4703649237. The cubic root of 102221611 is about 467.5710069730.

Adding to 102221611 its reverse (116122201), we get a palindrome (218343812).

The spelling of 102221611 in words is "one hundred two million, two hundred twenty-one thousand, six hundred eleven".