201112100212 has 12 divisors (see below), whose sum is σ = 352052430436. Its totient is φ = 100525691520.

The previous prime is 201112100171. The next prime is 201112100227. The reversal of 201112100212 is 212001211102.

It can be written as a sum of positive squares in 2 ways, for example, as 194070205156 + 7041895056 = 440534^2 + 83916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201112100192 and 201112100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7574739 + ... + 7601242.

Almost surely, 2^201112100212 is an apocalyptic number.

It is an amenable number.

201112100212 is a deficient number, since it is larger than the sum of its proper divisors (150940330224).

201112100212 is a wasteful number, since it uses less digits than its factorization.

201112100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179298 (or 15179296 counting only the distinct ones).

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

Adding to 201112100212 its reverse (212001211102), we get a palindrome (413113311314).

The spelling of 201112100212 in words is "two hundred one billion, one hundred twelve million, one hundred thousand, two hundred twelve".