102221211222212 has 48 divisors (see below), whose sum is σ = 195592890366720. Its totient is φ = 46554340557312.

The previous prime is 102221211222211. The next prime is 102221211222227. The reversal of 102221211222212 is 212222112122201.

It is not an unprimeable number, because it can be changed into a prime (102221211222211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160045388 + ... + 160682819.

It is an arithmetic number, because the mean of its divisors is an integer number (4074851882640).

Almost surely, 2^{102221211222212} is an apocalyptic number.

It is an amenable number.

102221211222212 is a deficient number, since it is larger than the sum of its proper divisors (93371679144508).

102221211222212 is a wasteful number, since it uses less digits than its factorization.

102221211222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320728380 (or 320728378 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 102221211222212 its reverse (212222112122201), we get a palindrome (314443323344413).

The spelling of 102221211222212 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twelve".