112121222211 has 48 divisors (see below), whose sum is σ = 168386618400. Its totient is φ = 71831577600.

The previous prime is 112121222201. The next prime is 112121222219. The reversal of 112121222211 is 112222121211.

112121222211 is a `hidden beast` number, since 112 + 121 + 222 + 211 = 666.

It is not a de Polignac number, because 112121222211 - 2¹⁰ = 112121221187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112121222219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14559240 + ... + 14566938.

It is an arithmetic number, because the mean of its divisors is an integer number (3508054550).

Almost surely, 2^112121222211 is an apocalyptic number.

112121222211 is a deficient number, since it is larger than the sum of its proper divisors (56265396189).

112121222211 is a wasteful number, since it uses less digits than its factorization.

112121222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276 (or 8273 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

Adding to 112121222211 its reverse (112222121211), we get a palindrome (224343343422).

The spelling of 112121222211 in words is "one hundred twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred eleven".