1020041021033 has 4 divisors (see below), whose sum is σ = 1020325872708. Its totient is φ = 1019756169360.

The previous prime is 1020041020951. The next prime is 1020041021047. The reversal of 1020041021033 is 3301201400201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 688913280064 + 331127740969 = 830008^2 + 575437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020041021033 - 2³⁴ = 1002861151849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020041021533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142420466 + ... + 142427627.

It is an arithmetic number, because the mean of its divisors is an integer number (255081468177).

Almost surely, 2^{1020041021033} is an apocalyptic number.

It is an amenable number.

1020041021033 is a deficient number, since it is larger than the sum of its proper divisors (284851675).

1020041021033 is an equidigital number, since it uses as much as digits as its factorization.

1020041021033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284851674.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1020041021033 its reverse (3301201400201), we get a palindrome (4321242421234).

The spelling of 1020041021033 in words is "one trillion, twenty billion, forty-one million, twenty-one thousand, thirty-three".