102211010212 has 12 divisors (see below), whose sum is σ = 179375982156. Its totient is φ = 50960729600.

The previous prime is 102211010179. The next prime is 102211010257. The reversal of 102211010212 is 212010112201.

It can be written as a sum of positive squares in 2 ways, for example, as 30089759296 + 72121250916 = 173464^2 + 268554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102211010192 and 102211010201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36192289 + ... + 36195112.

It is an arithmetic number, because the mean of its divisors is an integer number (14947998513).

Almost surely, 2^102211010212 is an apocalyptic number.

It is an amenable number.

102211010212 is a deficient number, since it is larger than the sum of its proper divisors (77164971944).

102211010212 is a wasteful number, since it uses less digits than its factorization.

102211010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72387758 (or 72387756 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102211010212 its reverse (212010112201), we get a palindrome (314221122413).

The spelling of 102211010212 in words is "one hundred two billion, two hundred eleven million, ten thousand, two hundred twelve".