1012011211129 has 2 divisors, whose sum is σ = 1012011211130. Its totient is φ = 1012011211128.

The previous prime is 1012011211037. The next prime is 1012011211157. The reversal of 1012011211129 is 9211121102101.

It is a happy number.

1012011211129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 691977749904 + 320033461225 = 831852^2 + 565715^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012011211129 - 2³⁵ = 977651472761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012011211229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506005605564 + 506005605565.

It is an arithmetic number, because the mean of its divisors is an integer number (506005605565).

Almost surely, 2^{1012011211129} is an apocalyptic number.

It is an amenable number.

1012011211129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012011211129 is an equidigital number, since it uses as much as digits as its factorization.

1012011211129 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 1012011211129 in words is "one trillion, twelve billion, eleven million, two hundred eleven thousand, one hundred twenty-nine".