211110000212 has 12 divisors (see below), whose sum is σ = 369451133940. Its totient is φ = 105552533376.

The previous prime is 211110000187. The next prime is 211110000229. The reversal of 211110000212 is 212000011112.

It can be written as a sum of positive squares in 2 ways, for example, as 118003242256 + 93106757956 = 343516^2 + 305134^2 .

It is a super-5 number, since 5×211110000212⁵ (a number of 58 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211110000193 and 211110000202.

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, 416933 + ... + 772044.

It is an arithmetic number, because the mean of its divisors is an integer number (30787594495).

Almost surely, 2^211110000212 is an apocalyptic number.

It is an amenable number.

211110000212 is a deficient number, since it is larger than the sum of its proper divisors (158341133728).

211110000212 is a wasteful number, since it uses less digits than its factorization.

211110000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233370 (or 1233368 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211110000212 its reverse (212000011112), we get a palindrome (423110011324).

The spelling of 211110000212 in words is "two hundred eleven billion, one hundred ten million, two hundred twelve", and thus it is an aban number.