112221020212009 has 2 divisors, whose sum is σ = 112221020212010. Its totient is φ = 112221020212008.

The previous prime is 112221020212001. The next prime is 112221020212019. The reversal of 112221020212009 is 900212020122211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109488703779225 + 2732316432784 = 10463685^2 + 1652972^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221020212009 - 2³ = 112221020212001 is a prime.

It is not a weakly prime, because it can be changed into another prime (112221020212001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110510106004 + 56110510106005.

It is an arithmetic number, because the mean of its divisors is an integer number (56110510106005).

Almost surely, 2^{112221020212009} is an apocalyptic number.

It is an amenable number.

112221020212009 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221020212009 is an equidigital number, since it uses as much as digits as its factorization.

112221020212009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

It can be divided in two parts, 1122210202 and 12009, that added together give a palindrome (1122222211).

The spelling of 112221020212009 in words is "one hundred twelve trillion, two hundred twenty-one billion, twenty million, two hundred twelve thousand, nine".