1020221010733 has 2 divisors, whose sum is σ = 1020221010734. Its totient is φ = 1020221010732.

The previous prime is 1020221010719. The next prime is 1020221011039. The reversal of 1020221010733 is 3370101220201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990098631369 + 30122379364 = 995037^2 + 173558^2 .

It is an emirp because it is prime and its reverse (3370101220201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020221010733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020221010713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510110505366 + 510110505367.

It is an arithmetic number, because the mean of its divisors is an integer number (510110505367).

Almost surely, 2^{1020221010733} is an apocalyptic number.

It is an amenable number.

1020221010733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020221010733 is an equidigital number, since it uses as much as digits as its factorization.

1020221010733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 1020221010733 its reverse (3370101220201), we get a palindrome (4390322230934).

The spelling of 1020221010733 in words is "one trillion, twenty billion, two hundred twenty-one million, ten thousand, seven hundred thirty-three".