242121224412229 has 2 divisors, whose sum is σ = 242121224412230. Its totient is φ = 242121224412228.

The previous prime is 242121224412107. The next prime is 242121224412251. The reversal of 242121224412229 is 922214422121242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205075717816225 + 37045506596004 = 14320465^2 + 6086502^2 .

It is a cyclic number.

It is not a de Polignac number, because 242121224412229 - 2⁴⁷ = 101383736056901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242121224412191 and 242121224412200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242121224412299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121060612206114 + 121060612206115.

It is an arithmetic number, because the mean of its divisors is an integer number (121060612206115).

Almost surely, 2^{242121224412229} is an apocalyptic number.

It is an amenable number.

242121224412229 is a deficient number, since it is larger than the sum of its proper divisors (1).

242121224412229 is an equidigital number, since it uses as much as digits as its factorization.

242121224412229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 40.

The spelling of 242121224412229 in words is "two hundred forty-two trillion, one hundred twenty-one billion, two hundred twenty-four million, four hundred twelve thousand, two hundred twenty-nine".