113220221211 has 24 divisors (see below), whose sum is σ = 169347044880. Its totient is φ = 72805271616.

The previous prime is 113220221131. The next prime is 113220221237. The reversal of 113220221211 is 112122022311.

113220221211 is a `hidden beast` number, since 1 + 13 + 220 + 221 + 211 = 666.

It is not a de Polignac number, because 113220221211 - 2⁹ = 113220220699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113220221281) 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, 50280 + ... + 478506.

It is an arithmetic number, because the mean of its divisors is an integer number (7056126870).

Almost surely, 2^113220221211 is an apocalyptic number.

113220221211 is a deficient number, since it is larger than the sum of its proper divisors (56126823669).

113220221211 is a wasteful number, since it uses less digits than its factorization.

113220221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429275 (or 429272 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 113220221211 its reverse (112122022311), we get a palindrome (225342243522).

The spelling of 113220221211 in words is "one hundred thirteen billion, two hundred twenty million, two hundred twenty-one thousand, two hundred eleven".