112222212101 has 2 divisors, whose sum is σ = 112222212102. Its totient is φ = 112222212100.

The previous prime is 112222212029. The next prime is 112222212133. The reversal of 112222212101 is 101212222211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56608781476 + 55613430625 = 237926^2 + 235825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112222212101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112222212101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112222272101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56111106050 + 56111106051.

It is an arithmetic number, because the mean of its divisors is an integer number (56111106051).

Almost surely, 2^112222212101 is an apocalyptic number.

It is an amenable number.

112222212101 is a deficient number, since it is larger than the sum of its proper divisors (1).

112222212101 is an equidigital number, since it uses as much as digits as its factorization.

112222212101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112222212101 its reverse (101212222211), we get a palindrome (213434434312).

The spelling of 112222212101 in words is "one hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, one hundred one".