1012020111043 has 2 divisors, whose sum is σ = 1012020111044. Its totient is φ = 1012020111042.

The previous prime is 1012020111031. The next prime is 1012020111127. The reversal of 1012020111043 is 3401110202101.

1012020111043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012020111043 - 2³³ = 1003430176451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012020114043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506010055521 + 506010055522.

It is an arithmetic number, because the mean of its divisors is an integer number (506010055522).

Almost surely, 2^{1012020111043} is an apocalyptic number.

1012020111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012020111043 is an equidigital number, since it uses as much as digits as its factorization.

1012020111043 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 16.

Adding to 1012020111043 its reverse (3401110202101), we get a palindrome (4413130313144).

The spelling of 1012020111043 in words is "one trillion, twelve billion, twenty million, one hundred eleven thousand, forty-three".