1110020043001 has 2 divisors, whose sum is σ = 1110020043002. Its totient is φ = 1110020043000.

The previous prime is 1110020042953. The next prime is 1110020043079. The reversal of 1110020043001 is 1003400200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595213793001 + 514806250000 = 771501^2 + 717500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110020043001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1110020043901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555010021500 + 555010021501.

It is an arithmetic number, because the mean of its divisors is an integer number (555010021501).

Almost surely, 2^{1110020043001} is an apocalyptic number.

It is an amenable number.

1110020043001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110020043001 is an equidigital number, since it uses as much as digits as its factorization.

1110020043001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1110020043001 its reverse (1003400200111), we get a palindrome (2113420243112).

The spelling of 1110020043001 in words is "one trillion, one hundred ten billion, twenty million, forty-three thousand, one".