1011211230143 has 2 divisors, whose sum is σ = 1011211230144. Its totient is φ = 1011211230142.

The previous prime is 1011211230119. The next prime is 1011211230223. The reversal of 1011211230143 is 3410321121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011211230143 - 2²⁰ = 1011210181567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011211230103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605615071 + 505605615072.

It is an arithmetic number, because the mean of its divisors is an integer number (505605615072).

Almost surely, 2^{1011211230143} is an apocalyptic number.

1011211230143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011211230143 is an equidigital number, since it uses as much as digits as its factorization.

1011211230143 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 20.

Adding to 1011211230143 its reverse (3410321121101), we get a palindrome (4421532351244).

The spelling of 1011211230143 in words is "one trillion, eleven billion, two hundred eleven million, two hundred thirty thousand, one hundred forty-three".