102221201222222 has 16 divisors (see below), whose sum is σ = 155519785382400. Its totient is φ = 50381535545880.

The previous prime is 102221201222221. The next prime is 102221201222263. The reversal of 102221201222222 is 222222102122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221201222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64915322 + ... + 66471357.

It is an arithmetic number, because the mean of its divisors is an integer number (9719986586400).

Almost surely, 2^{102221201222222} is an apocalyptic number.

102221201222222 is a deficient number, since it is larger than the sum of its proper divisors (53298584160178).

102221201222222 is a wasteful number, since it uses less digits than its factorization.

102221201222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131392231.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 102221201222222 its reverse (222222102122201), we get a palindrome (324443303344423).

The spelling of 102221201222222 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty-two".