1011021112229 has 2 divisors, whose sum is σ = 1011021112230. Its totient is φ = 1011021112228.

The previous prime is 1011021112207. The next prime is 1011021112243. The reversal of 1011021112229 is 9222111201101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718747884100 + 292273228129 = 847790^2 + 540623^2 .

It is an emirp because it is prime and its reverse (9222111201101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011021112229 - 2²⁴ = 1011004335013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011021112259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510556114 + 505510556115.

It is an arithmetic number, because the mean of its divisors is an integer number (505510556115).

Almost surely, 2^{1011021112229} is an apocalyptic number.

It is an amenable number.

1011021112229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011021112229 is an equidigital number, since it uses as much as digits as its factorization.

1011021112229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 1011021112229 in words is "one trillion, eleven billion, twenty-one million, one hundred twelve thousand, two hundred twenty-nine".