1011020202043 has 2 divisors, whose sum is σ = 1011020202044. Its totient is φ = 1011020202042.

The previous prime is 1011020202007. The next prime is 1011020202119. The reversal of 1011020202043 is 3402020201101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011020202043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011020202943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510101021 + 505510101022.

It is an arithmetic number, because the mean of its divisors is an integer number (505510101022).

Almost surely, 2^{1011020202043} is an apocalyptic number.

1011020202043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020202043 is an equidigital number, since it uses as much as digits as its factorization.

1011020202043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1011020202043 its reverse (3402020201101), we get a palindrome (4413040403144).

The spelling of 1011020202043 in words is "one trillion, eleven billion, twenty million, two hundred two thousand, forty-three".