11021021101229 has 2 divisors, whose sum is σ = 11021021101230. Its totient is φ = 11021021101228.

The previous prime is 11021021101217. The next prime is 11021021101267. The reversal of 11021021101229 is 92210112012011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7047485184100 + 3973535917129 = 2654710^2 + 1993373^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021021101229 - 2⁴⁰ = 9921509473453 is a prime.

It is a super-2 number, since 2×11021021101229² (a number of 27 digits) contains 22 as substring.

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 (11021021101429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510510550614 + 5510510550615.

It is an arithmetic number, because the mean of its divisors is an integer number (5510510550615).

Almost surely, 2^{11021021101229} is an apocalyptic number.

It is an amenable number.

11021021101229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021021101229 is an equidigital number, since it uses as much as digits as its factorization.

11021021101229 is an evil number, because the sum of its binary digits is even.

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

The spelling of 11021021101229 in words is "eleven trillion, twenty-one billion, twenty-one million, one hundred one thousand, two hundred twenty-nine".