1020232330511 has 4 divisors (see below), whose sum is σ = 1020241481832. Its totient is φ = 1020223179192.

The previous prime is 1020232330427. The next prime is 1020232330549. The reversal of 1020232330511 is 1150332320201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020232330511 is a prime.

It is a super-2 number, since 2×1020232330511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020232330111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4406345 + ... + 4632098.

It is an arithmetic number, because the mean of its divisors is an integer number (255060370458).

Almost surely, 2^{1020232330511} is an apocalyptic number.

1020232330511 is a deficient number, since it is larger than the sum of its proper divisors (9151321).

1020232330511 is an equidigital number, since it uses as much as digits as its factorization.

1020232330511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9151320.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 1020232330511 its reverse (1150332320201), we get a palindrome (2170564650712).

The spelling of 1020232330511 in words is "one trillion, twenty billion, two hundred thirty-two million, three hundred thirty thousand, five hundred eleven".