211112222211112 has 16 divisors (see below), whose sum is σ = 395893346708340. Its totient is φ = 105540663088896.

The previous prime is 211112222211019. The next prime is 211112222211181.

211112222211112 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 188727533498596 + 22384688712516 = 13737814^2 + 4731246^2 .

It is a nude number because it is divisible by every one of its digits.

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, 1930944003 + ... + 1931053330.

Almost surely, 2^{211112222211112} is an apocalyptic number.

It is an amenable number.

211112222211112 is a deficient number, since it is larger than the sum of its proper divisors (184781124497228).

211112222211112 is a wasteful number, since it uses less digits than its factorization.

211112222211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862004172 (or 3862004168 counting only the distinct ones).

The product of its digits is 128, while the sum is 22.

The spelling of 211112222211112 in words is "two hundred eleven trillion, one hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, one hundred twelve".