100020112043 has 2 divisors, whose sum is σ = 100020112044. Its totient is φ = 100020112042.

The previous prime is 100020112021. The next prime is 100020112057. The reversal of 100020112043 is 340211020001.

It is an a-pointer prime, because the next prime (100020112057) can be obtained adding 100020112043 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100020112043 - 2⁸ = 100020111787 is a prime.

It is not a weakly prime, because it can be changed into another prime (100020112243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010056021 + 50010056022.

It is an arithmetic number, because the mean of its divisors is an integer number (50010056022).

Almost surely, 2^100020112043 is an apocalyptic number.

100020112043 is a deficient number, since it is larger than the sum of its proper divisors (1).

100020112043 is an equidigital number, since it uses as much as digits as its factorization.

100020112043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100020112043 its reverse (340211020001), we get a palindrome (440231132044).

The spelling of 100020112043 in words is "one hundred billion, twenty million, one hundred twelve thousand, forty-three".