1020133321333 has 4 divisors (see below), whose sum is σ = 1165866652960. Its totient is φ = 874399989708.

The previous prime is 1020133321253. The next prime is 1020133321357. The reversal of 1020133321333 is 3331233310201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1020133321333 - 2²⁵ = 1020099766901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020133321298 and 1020133321307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020133331333) 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, 72866665803 + ... + 72866665816.

It is an arithmetic number, because the mean of its divisors is an integer number (291466663240).

Almost surely, 2^{1020133321333} is an apocalyptic number.

It is an amenable number.

1020133321333 is a deficient number, since it is larger than the sum of its proper divisors (145733331627).

1020133321333 is an equidigital number, since it uses as much as digits as its factorization.

1020133321333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145733331626.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 1020133321333 its reverse (3331233310201), we get a palindrome (4351366631534).

The spelling of 1020133321333 in words is "one trillion, twenty billion, one hundred thirty-three million, three hundred twenty-one thousand, three hundred thirty-three".