102022210321 has 4 divisors (see below), whose sum is σ = 102141256932. Its totient is φ = 101903163712.

The previous prime is 102022210309. The next prime is 102022210343. The reversal of 102022210321 is 123012220201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75370015296 + 26652195025 = 274536^2 + 163255^2 .

It is a cyclic number.

It is not a de Polignac number, because 102022210321 - 2⁵ = 102022210289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102022210295 and 102022210304.

It is not an unprimeable number, because it can be changed into a prime (102022210021) 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, 59522020 + ... + 59523733.

It is an arithmetic number, because the mean of its divisors is an integer number (25535314233).

Almost surely, 2^102022210321 is an apocalyptic number.

It is an amenable number.

102022210321 is a deficient number, since it is larger than the sum of its proper divisors (119046611).

102022210321 is an equidigital number, since it uses as much as digits as its factorization.

102022210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119046610.

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

Adding to 102022210321 its reverse (123012220201), we get a palindrome (225034430522).

The spelling of 102022210321 in words is "one hundred two billion, twenty-two million, two hundred ten thousand, three hundred twenty-one".