112012232221 has 2 divisors, whose sum is σ = 112012232222. Its totient is φ = 112012232220.

The previous prime is 112012232209. The next prime is 112012232231. The reversal of 112012232221 is 122232210211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111381720121 + 630512100 = 333739^2 + 25110^2 .

It is an emirp because it is prime and its reverse (122232210211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112012232221 - 2¹³ = 112012224029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112012232231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56006116110 + 56006116111.

It is an arithmetic number, because the mean of its divisors is an integer number (56006116111).

Almost surely, 2^112012232221 is an apocalyptic number.

It is an amenable number.

112012232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112012232221 is an equidigital number, since it uses as much as digits as its factorization.

112012232221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 112012232221 its reverse (122232210211), we get a palindrome (234244442432).

It can be divided in two parts, 11201 and 2232221, that added together give a palindrome (2243422).

The spelling of 112012232221 in words is "one hundred twelve billion, twelve million, two hundred thirty-two thousand, two hundred twenty-one".