221112012022229 has 2 divisors, whose sum is σ = 221112012022230. Its totient is φ = 221112012022228.

The previous prime is 221112012022159. The next prime is 221112012022337. The reversal of 221112012022229 is 922220210211122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178459487830129 + 42652524192100 = 13358873^2 + 6530890^2 .

It is a cyclic number.

It is not a de Polignac number, because 221112012022229 - 2²⁰ = 221112010973653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221112012022129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110556006011114 + 110556006011115.

It is an arithmetic number, because the mean of its divisors is an integer number (110556006011115).

Almost surely, 2^{221112012022229} is an apocalyptic number.

It is an amenable number.

221112012022229 is a deficient number, since it is larger than the sum of its proper divisors (1).

221112012022229 is an equidigital number, since it uses as much as digits as its factorization.

221112012022229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 221112012022229 in words is "two hundred twenty-one trillion, one hundred twelve billion, twelve million, twenty-two thousand, two hundred twenty-nine".