20122222120229 has 2 divisors, whose sum is σ = 20122222120230. Its totient is φ = 20122222120228.

The previous prime is 20122222120201. The next prime is 20122222120249. The reversal of 20122222120229 is 92202122222102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18998352864100 + 1123869256129 = 4358710^2 + 1060127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122222120229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122222120249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061111060114 + 10061111060115.

It is an arithmetic number, because the mean of its divisors is an integer number (10061111060115).

Almost surely, 2^{20122222120229} is an apocalyptic number.

It is an amenable number.

20122222120229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122222120229 is an equidigital number, since it uses as much as digits as its factorization.

20122222120229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 20122222120229 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, two hundred twenty-nine".