201102212 has 24 divisors (see below), whose sum is σ = 361263672. Its totient is φ = 97894400.

The previous prime is 201102199. The next prime is 201102227. The reversal of 201102212 is 212201102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55562116 + 145540096 = 7454^2 + 12064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201102193 and 201102202.

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, 104168 + ... + 106080.

It is an arithmetic number, because the mean of its divisors is an integer number (15052653).

Almost surely, 2^201102212 is an apocalyptic number.

It is an amenable number.

201102212 is a deficient number, since it is larger than the sum of its proper divisors (160161460).

201102212 is a wasteful number, since it uses less digits than its factorization.

201102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2599 (or 2597 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 201102212 is about 14181.0511599105. The cubic root of 201102212 is about 585.8758759729.

Adding to 201102212 its reverse (212201102), we get a palindrome (413303314).

It can be divided in two parts, 201102 and 212, that multiplied together give a palindrome (42633624).

The spelling of 201102212 in words is "two hundred one million, one hundred two thousand, two hundred twelve".