211210221112 has 32 divisors (see below), whose sum is σ = 432050177520. Its totient is φ = 95998141440.

The previous prime is 211210221107. The next prime is 211210221127. The reversal of 211210221112 is 211122012112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371598 + ... + 1517794.

Almost surely, 2^211210221112 is an apocalyptic number.

211210221112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211210221112 is an abundant number, since it is smaller than the sum of its proper divisors (220839956408).

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

211210221112 is a wasteful number, since it uses less digits than its factorization.

211210221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162631 (or 162627 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211210221112 its reverse (211122012112), we get a palindrome (422332233224).

The spelling of 211210221112 in words is "two hundred eleven billion, two hundred ten million, two hundred twenty-one thousand, one hundred twelve".