1020221001016 has 32 divisors (see below), whose sum is σ = 2245274022240. Its totient is φ = 425420339328.

The previous prime is 1020221000989. The next prime is 1020221001017. The reversal of 1020221001016 is 6101001220201.

1020221001016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221001017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246190255 + ... + 246194398.

It is an arithmetic number, because the mean of its divisors is an integer number (70164813195).

Almost surely, 2^{1020221001016} is an apocalyptic number.

It is an amenable number.

1020221001016 is an abundant number, since it is smaller than the sum of its proper divisors (1225053021224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020221001016 is a wasteful number, since it uses less digits than its factorization.

1020221001016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492384703 (or 492384699 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1020221001016 its reverse (6101001220201), we get a palindrome (7121222221217).

The spelling of 1020221001016 in words is "one trillion, twenty billion, two hundred twenty-one million, one thousand, sixteen".