1000010001043 has 2 divisors, whose sum is σ = 1000010001044. Its totient is φ = 1000010001042.

The previous prime is 1000010000993. The next prime is 1000010001047. The reversal of 1000010001043 is 3401000100001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000010001043 - 2¹³ = 1000009992851 is a prime.

It is a super-2 number, since 2×1000010001043² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1000010001047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500005000521 + 500005000522.

It is an arithmetic number, because the mean of its divisors is an integer number (500005000522).

Almost surely, 2^{1000010001043} is an apocalyptic number.

1000010001043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000010001043 is an equidigital number, since it uses as much as digits as its factorization.

1000010001043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1000010001043 its reverse (3401000100001), we get a palindrome (4401010101044).

The spelling of 1000010001043 in words is "one trillion, ten million, one thousand, forty-three".