101212222112 has 24 divisors (see below), whose sum is σ = 199411805376. Its totient is φ = 50567954112.

The previous prime is 101212222081. The next prime is 101212222123. The reversal of 101212222112 is 211222212101.

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, 1149278 + ... + 1234205.

It is an arithmetic number, because the mean of its divisors is an integer number (8308825224).

Almost surely, 2^101212222112 is an apocalyptic number.

It is an amenable number.

101212222112 is a deficient number, since it is larger than the sum of its proper divisors (98199583264).

101212222112 is a wasteful number, since it uses less digits than its factorization.

101212222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2384820 (or 2384812 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101212222112 its reverse (211222212101), we get a palindrome (312434434213).

The spelling of 101212222112 in words is "one hundred one billion, two hundred twelve million, two hundred twenty-two thousand, one hundred twelve".