100011211129 has 2 divisors, whose sum is σ = 100011211130. Its totient is φ = 100011211128.

The previous prime is 100011211093. The next prime is 100011211147. The reversal of 100011211129 is 921112110001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59400900729 + 40610310400 = 243723^2 + 201520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011211129 is a prime.

It is not a weakly prime, because it can be changed into another prime (100011211169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005605564 + 50005605565.

It is an arithmetic number, because the mean of its divisors is an integer number (50005605565).

Almost surely, 2^100011211129 is an apocalyptic number.

It is an amenable number.

100011211129 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011211129 is an equidigital number, since it uses as much as digits as its factorization.

100011211129 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 19.

The spelling of 100011211129 in words is "one hundred billion, eleven million, two hundred eleven thousand, one hundred twenty-nine".