102220102321 has 16 divisors (see below), whose sum is σ = 104834366208. Its totient is φ = 99641304000.

The previous prime is 102220102319. The next prime is 102220102333. The reversal of 102220102321 is 123201022201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102220102321 - 2¹ = 102220102319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102220102295 and 102220102304.

It is not an unprimeable number, because it can be changed into a prime (102220102301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5246620 + ... + 5266066.

It is an arithmetic number, because the mean of its divisors is an integer number (6552147888).

Almost surely, 2^102220102321 is an apocalyptic number.

It is an amenable number.

102220102321 is a deficient number, since it is larger than the sum of its proper divisors (2614263887).

102220102321 is a wasteful number, since it uses less digits than its factorization.

102220102321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102220102321 its reverse (123201022201), we get a palindrome (225421124522).

The spelling of 102220102321 in words is "one hundred two billion, two hundred twenty million, one hundred two thousand, three hundred twenty-one".