102220210322 has 4 divisors (see below), whose sum is σ = 153330315486. Its totient is φ = 51110105160.

The previous prime is 102220210307. The next prime is 102220210343. The reversal of 102220210322 is 223012022201.

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

It can be written as a sum of positive squares in only one way, i.e., 98765004361 + 3455205961 = 314269^2 + 58781^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102220210322.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25555052579 + ... + 25555052582.

Almost surely, 2^102220210322 is an apocalyptic number.

102220210322 is a deficient number, since it is larger than the sum of its proper divisors (51110105164).

102220210322 is an equidigital number, since it uses as much as digits as its factorization.

102220210322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51110105163.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 102220210322 its reverse (223012022201), we get a palindrome (325232232523).

The spelling of 102220210322 in words is "one hundred two billion, two hundred twenty million, two hundred ten thousand, three hundred twenty-two".