211101222112 has 24 divisors (see below), whose sum is σ = 453387852792. Its totient is φ = 95955100800.

The previous prime is 211101222109. The next prime is 211101222113. The reversal of 211101222112 is 211222101112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211101222113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299859339 + ... + 299860042.

It is an arithmetic number, because the mean of its divisors is an integer number (18891160533).

Almost surely, 2^211101222112 is an apocalyptic number.

211101222112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211101222112 is an abundant number, since it is smaller than the sum of its proper divisors (242286630680).

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

211101222112 is a wasteful number, since it uses less digits than its factorization.

211101222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599719402 (or 599719394 counting only the distinct ones).

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

Adding to 211101222112 its reverse (211222101112), we get a palindrome (422323323224).

The spelling of 211101222112 in words is "two hundred eleven billion, one hundred one million, two hundred twenty-two thousand, one hundred twelve".