102222303121 has 4 divisors (see below), whose sum is σ = 103898078644. Its totient is φ = 100546527600.

The previous prime is 102222303091. The next prime is 102222303143. The reversal of 102222303121 is 121303222201.

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 2533712896 + 99688590225 = 50336^2 + 315735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102222303121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222303221) 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, 837887670 + ... + 837887791.

It is an arithmetic number, because the mean of its divisors is an integer number (25974519661).

Almost surely, 2^102222303121 is an apocalyptic number.

It is an amenable number.

102222303121 is a deficient number, since it is larger than the sum of its proper divisors (1675775523).

102222303121 is an equidigital number, since it uses as much as digits as its factorization.

102222303121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675775522.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102222303121 its reverse (121303222201), we get a palindrome (223525525322).

The spelling of 102222303121 in words is "one hundred two billion, two hundred twenty-two million, three hundred three thousand, one hundred twenty-one".