1020221210218 has 8 divisors (see below), whose sum is σ = 1748950646112. Its totient is φ = 437237661516.

The previous prime is 1020221210213. The next prime is 1020221210219. The reversal of 1020221210218 is 8120121220201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1020221210213) 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, 36436471780 + ... + 36436471807.

It is an arithmetic number, because the mean of its divisors is an integer number (218618830764).

Almost surely, 2^{1020221210218} is an apocalyptic number.

1020221210218 is a deficient number, since it is larger than the sum of its proper divisors (728729435894).

1020221210218 is an equidigital number, since it uses as much as digits as its factorization.

1020221210218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72872943596.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 1020221210218 its reverse (8120121220201), we get a palindrome (9140342430419).

The spelling of 1020221210218 in words is "one trillion, twenty billion, two hundred twenty-one million, two hundred ten thousand, two hundred eighteen".