102221007 has 24 divisors (see below), whose sum is σ = 166896000. Its totient is φ = 55336176.

The previous prime is 102220997. The next prime is 102221071. The reversal of 102221007 is 700122201.

It is not a de Polignac number, because 102221007 - 2²⁰ = 101172431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15507 + ... + 21092.

It is an arithmetic number, because the mean of its divisors is an integer number (6954000).

Almost surely, 2^102221007 is an apocalyptic number.

102221007 is a deficient number, since it is larger than the sum of its proper divisors (64674993).

102221007 is a wasteful number, since it uses less digits than its factorization.

102221007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36635 (or 36628 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 102221007 is about 10110.4404948548. The cubic root of 102221007 is about 467.5700860541.

Adding to 102221007 its reverse (700122201), we get a palindrome (802343208).

The spelling of 102221007 in words is "one hundred two million, two hundred twenty-one thousand, seven".