111210221100211 has 24 divisors (see below), whose sum is σ = 117219817246896. Its totient is φ = 105496433856000.

The previous prime is 111210221100137. The next prime is 111210221100217. The reversal of 111210221100211 is 112001122012111.

It is not a de Polignac number, because 111210221100211 - 2²³ = 111210212711603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111210221100217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29140171 + ... + 32734843.

It is an arithmetic number, because the mean of its divisors is an integer number (4884159051954).

Almost surely, 2^{111210221100211} is an apocalyptic number.

111210221100211 is a deficient number, since it is larger than the sum of its proper divisors (6009596146685).

111210221100211 is a wasteful number, since it uses less digits than its factorization.

111210221100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595203 (or 3595180 counting only the distinct ones).

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

Adding to 111210221100211 its reverse (112001122012111), we get a palindrome (223211343112322).

The spelling of 111210221100211 in words is "one hundred eleven trillion, two hundred ten billion, two hundred twenty-one million, one hundred thousand, two hundred eleven".