102221222221012 has 24 divisors (see below), whose sum is σ = 179399273651136. Its totient is φ = 50964295565568.

The previous prime is 102221222220983. The next prime is 102221222221039. The reversal of 102221222221012 is 210122222122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46832233 + ... + 48966319.

It is an arithmetic number, because the mean of its divisors is an integer number (7474969735464).

Almost surely, 2^{102221222221012} is an apocalyptic number.

It is an amenable number.

102221222221012 is a deficient number, since it is larger than the sum of its proper divisors (77178051430124).

102221222221012 is a wasteful number, since it uses less digits than its factorization.

102221222221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168367 (or 2168365 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102221222221012 its reverse (210122222122201), we get a palindrome (312343444343213).

The spelling of 102221222221012 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, twelve".