1001230111229 has 2 divisors, whose sum is σ = 1001230111230. Its totient is φ = 1001230111228.

The previous prime is 1001230111177. The next prime is 1001230111237. The reversal of 1001230111229 is 9221110321001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 741510432100 + 259719679129 = 861110^2 + 509627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001230111229 - 2¹² = 1001230107133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001230141229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500615055614 + 500615055615.

It is an arithmetic number, because the mean of its divisors is an integer number (500615055615).

Almost surely, 2^{1001230111229} is an apocalyptic number.

It is an amenable number.

1001230111229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001230111229 is an equidigital number, since it uses as much as digits as its factorization.

1001230111229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 1001230111229 in words is "one trillion, one billion, two hundred thirty million, one hundred eleven thousand, two hundred twenty-nine".