112212222121211 has 64 divisors (see below), whose sum is σ = 117778982694912. Its totient is φ = 106825205760000.

The previous prime is 112212222121199. The next prime is 112212222121217. The reversal of 112212222121211 is 112121222212211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112212222121211 is a prime.

It is a super-2 number, since 2×112212222121211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112212222121217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108838236266 + ... + 108838237296.

It is an arithmetic number, because the mean of its divisors is an integer number (1840296604608).

Almost surely, 2^{112212222121211} is an apocalyptic number.

112212222121211 is a deficient number, since it is larger than the sum of its proper divisors (5566760573701).

112212222121211 is a wasteful number, since it uses less digits than its factorization.

112212222121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 256, while the sum is 23.

Adding to 112212222121211 its reverse (112121222212211), we get a palindrome (224333444333422).

The spelling of 112212222121211 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".