100020111143 has 2 divisors, whose sum is σ = 100020111144. Its totient is φ = 100020111142.

The previous prime is 100020111077. The next prime is 100020111173. The reversal of 100020111143 is 341111020001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100020111143 - 2³⁴ = 82840241959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100020111173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010055571 + 50010055572.

It is an arithmetic number, because the mean of its divisors is an integer number (50010055572).

Almost surely, 2^100020111143 is an apocalyptic number.

100020111143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020111143 is an equidigital number, since it uses as much as digits as its factorization.

100020111143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 100020111143 its reverse (341111020001), we get a palindrome (441131131144).

The spelling of 100020111143 in words is "one hundred billion, twenty million, one hundred eleven thousand, one hundred forty-three".