1101001211129 has 2 divisors, whose sum is σ = 1101001211130. Its totient is φ = 1101001211128.

The previous prime is 1101001211047. The next prime is 1101001211137. The reversal of 1101001211129 is 9211121001011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1087123193104 + 13878018025 = 1042652^2 + 117805^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101001211129 - 2⁸ = 1101001210873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101001211129.

It is not a weakly prime, because it can be changed into another prime (1101001211729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550500605564 + 550500605565.

It is an arithmetic number, because the mean of its divisors is an integer number (550500605565).

Almost surely, 2^{1101001211129} is an apocalyptic number.

It is an amenable number.

1101001211129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101001211129 is an equidigital number, since it uses as much as digits as its factorization.

1101001211129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 1101001211129 in words is "one trillion, one hundred one billion, one million, two hundred eleven thousand, one hundred twenty-nine".