211120221112 has 32 divisors (see below), whose sum is σ = 428883087600. Its totient is φ = 97040208384.

The previous prime is 211120221101. The next prime is 211120221139. The reversal of 211120221112 is 211122021112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18044787 + ... + 18056482.

Almost surely, 2^211120221112 is an apocalyptic number.

It is an amenable number.

211120221112 is an abundant number, since it is smaller than the sum of its proper divisors (217762866488).

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

211120221112 is a wasteful number, since it uses less digits than its factorization.

211120221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36101335 (or 36101331 counting only the distinct ones).

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

Adding to 211120221112 its reverse (211122021112), we get a palindrome (422242242224).

The spelling of 211120221112 in words is "two hundred eleven billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twelve".