222221002211029 has 2 divisors, whose sum is σ = 222221002211030. Its totient is φ = 222221002211028.

The previous prime is 222221002211009. The next prime is 222221002211063. The reversal of 222221002211029 is 920112200122222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178815331674225 + 43405670536804 = 13372185^2 + 6588298^2 .

It is a cyclic number.

It is not a de Polignac number, because 222221002211029 - 2²⁹ = 222220465340117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222221002210988 and 222221002211006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222221002211009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110501105514 + 111110501105515.

It is an arithmetic number, because the mean of its divisors is an integer number (111110501105515).

Almost surely, 2^{222221002211029} is an apocalyptic number.

It is an amenable number.

222221002211029 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221002211029 is an equidigital number, since it uses as much as digits as its factorization.

222221002211029 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 28.

The spelling of 222221002211029 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, twenty-nine".