211201211201112 has 48 divisors (see below), whose sum is σ = 624003578551080. Its totient is φ = 64000367030400.

The previous prime is 211201211201039. The next prime is 211201211201143. The reversal of 211201211201112 is 211102112102112.

It is a happy number.

211201211201112 is a `hidden beast` number, since 21 + 120 + 1 + 211 + 201 + 112 = 666.

It is a super-2 number, since 2×211201211201112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133334097189 + ... + 133334098772.

Almost surely, 2^{211201211201112} is an apocalyptic number.

211201211201112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211201211201112 is an abundant number, since it is smaller than the sum of its proper divisors (412802367349968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211201211201112 is a wasteful number, since it uses less digits than its factorization.

211201211201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266668195984 (or 266668195977 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 211201211201112 its reverse (211102112102112), we get a palindrome (422303323303224).

The spelling of 211201211201112 in words is "two hundred eleven trillion, two hundred one billion, two hundred eleven million, two hundred one thousand, one hundred twelve".