211012112 has 20 divisors (see below), whose sum is σ = 409268076. Its totient is φ = 105394560.

The previous prime is 211012103. The next prime is 211012127. The reversal of 211012112 is 211210112.

It can be written as a sum of positive squares in 2 ways, for example, as 119159056 + 91853056 = 10916^2 + 9584^2 .

It is a super-2 number, since 2×211012112² = 89052222821401088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211012093 and 211012102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9878 + ... + 22794.

Almost surely, 2^211012112 is an apocalyptic number.

It is an amenable number.

211012112 is a deficient number, since it is larger than the sum of its proper divisors (198255964).

211012112 is a wasteful number, since it uses less digits than its factorization.

211012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13946 (or 13940 counting only the distinct ones).

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

The square root of 211012112 is about 14526.2559525846. The cubic root of 211012112 is about 595.3455723876.

Adding to 211012112 its reverse (211210112), we get a palindrome (422222224).

The spelling of 211012112 in words is "two hundred eleven million, twelve thousand, one hundred twelve".