1100211111229 has 2 divisors, whose sum is σ = 1100211111230. Its totient is φ = 1100211111228.

The previous prime is 1100211111211. The next prime is 1100211111281. The reversal of 1100211111229 is 9221111120011.

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., 1071634899204 + 28576212025 = 1035198^2 + 169045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100211111229 - 2¹¹ = 1100211109181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100211511229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550105555614 + 550105555615.

It is an arithmetic number, because the mean of its divisors is an integer number (550105555615).

Almost surely, 2^{1100211111229} is an apocalyptic number.

It is an amenable number.

1100211111229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100211111229 is an equidigital number, since it uses as much as digits as its factorization.

1100211111229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 1100211111229 in words is "one trillion, one hundred billion, two hundred eleven million, one hundred eleven thousand, two hundred twenty-nine".