112221012212123 has 2 divisors, whose sum is σ = 112221012212124. Its totient is φ = 112221012212122.

The previous prime is 112221012212119. The next prime is 112221012212291. The reversal of 112221012212123 is 321212210122211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112221012212123 - 2² = 112221012212119 is a prime.

It is not a weakly prime, because it can be changed into another prime (112221012212423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56110506106061 + 56110506106062.

It is an arithmetic number, because the mean of its divisors is an integer number (56110506106062).

Almost surely, 2^{112221012212123} is an apocalyptic number.

112221012212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

112221012212123 is an equidigital number, since it uses as much as digits as its factorization.

112221012212123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 112221012212123 its reverse (321212210122211), we get a palindrome (433433222334334).

The spelling of 112221012212123 in words is "one hundred twelve trillion, two hundred twenty-one billion, twelve million, two hundred twelve thousand, one hundred twenty-three".