20102212122229 has 2 divisors, whose sum is σ = 20102212122230. Its totient is φ = 20102212122228.

The previous prime is 20102212122197. The next prime is 20102212122277. The reversal of 20102212122229 is 92222121220102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17931820221604 + 2170391900625 = 4234598^2 + 1473225^2 .

It is a cyclic number.

It is not a de Polignac number, because 20102212122229 - 2⁵ = 20102212122197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102212122197 and 20102212122206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102212122929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051106061114 + 10051106061115.

It is an arithmetic number, because the mean of its divisors is an integer number (10051106061115).

Almost surely, 2^{20102212122229} is an apocalyptic number.

It is an amenable number.

20102212122229 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102212122229 is an equidigital number, since it uses as much as digits as its factorization.

20102212122229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 20102212122229 in words is "twenty trillion, one hundred two billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty-nine".