102323021222 has 4 divisors (see below), whose sum is σ = 153484531836. Its totient is φ = 51161510610.

The previous prime is 102323021219. The next prime is 102323021231. The reversal of 102323021222 is 222120323201.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 102323021194 and 102323021203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25580755304 + ... + 25580755307.

It is an arithmetic number, because the mean of its divisors is an integer number (38371132959).

Almost surely, 2^102323021222 is an apocalyptic number.

102323021222 is a deficient number, since it is larger than the sum of its proper divisors (51161510614).

102323021222 is an equidigital number, since it uses as much as digits as its factorization.

102323021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51161510613.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 102323021222 its reverse (222120323201), we get a palindrome (324443344423).

The spelling of 102323021222 in words is "one hundred two billion, three hundred twenty-three million, twenty-one thousand, two hundred twenty-two".