102222021242 has 8 divisors (see below), whose sum is σ = 167272398432. Its totient is φ = 46464555100.

The previous prime is 102222021221. The next prime is 102222021257. The reversal of 102222021242 is 242120222201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323227734 + ... + 2323227777.

It is an arithmetic number, because the mean of its divisors is an integer number (20909049804).

Almost surely, 2^102222021242 is an apocalyptic number.

102222021242 is a deficient number, since it is larger than the sum of its proper divisors (65050377190).

102222021242 is a wasteful number, since it uses less digits than its factorization.

102222021242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646455524.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102222021242 its reverse (242120222201), we get a palindrome (344342243443).

The spelling of 102222021242 in words is "one hundred two billion, two hundred twenty-two million, twenty-one thousand, two hundred forty-two".