211101220112 has 20 divisors (see below), whose sum is σ = 409017529536. Its totient is φ = 105548309280.

The previous prime is 211101220103. The next prime is 211101220129. The reversal of 211101220112 is 211022101112.

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, 801437 + ... + 1031747.

Almost surely, 2^211101220112 is an apocalyptic number.

It is an amenable number.

211101220112 is a deficient number, since it is larger than the sum of its proper divisors (197916309424).

211101220112 is a wasteful number, since it uses less digits than its factorization.

211101220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287606 (or 287600 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211101220112 its reverse (211022101112), we get a palindrome (422123321224).

The spelling of 211101220112 in words is "two hundred eleven billion, one hundred one million, two hundred twenty thousand, one hundred twelve".