1020331233321 has 64 divisors (see below), whose sum is σ = 1528806078720. Its totient is φ = 601517629440.

The previous prime is 1020331233307. The next prime is 1020331233323. The reversal of 1020331233321 is 1233321330201.

It is not a de Polignac number, because 1020331233321 - 2⁵ = 1020331233289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020331233291 and 1020331233300.

It is not an unprimeable number, because it can be changed into a prime (1020331233323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 84732061 + ... + 84744101.

It is an arithmetic number, because the mean of its divisors is an integer number (23887594980).

Almost surely, 2^{1020331233321} is an apocalyptic number.

It is an amenable number.

1020331233321 is a deficient number, since it is larger than the sum of its proper divisors (508474845399).

1020331233321 is a wasteful number, since it uses less digits than its factorization.

1020331233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1020331233321 its reverse (1233321330201), we get a palindrome (2253652563522).

The spelling of 1020331233321 in words is "one trillion, twenty billion, three hundred thirty-one million, two hundred thirty-three thousand, three hundred twenty-one".