10211111011229 has 2 divisors, whose sum is σ = 10211111011230. Its totient is φ = 10211111011228.

The previous prime is 10211111011217. The next prime is 10211111011307. The reversal of 10211111011229 is 92211011111201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5298637723129 + 4912473288100 = 2301877^2 + 2216410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10211111011229 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 (10211111011529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105555505614 + 5105555505615.

It is an arithmetic number, because the mean of its divisors is an integer number (5105555505615).

Almost surely, 2^{10211111011229} is an apocalyptic number.

It is an amenable number.

10211111011229 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211111011229 is an equidigital number, since it uses as much as digits as its factorization.

10211111011229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 10211111011229 in words is "ten trillion, two hundred eleven billion, one hundred eleven million, eleven thousand, two hundred twenty-nine".