1010221012 has 24 divisors (see below), whose sum is σ = 1805256936. Its totient is φ = 494535168.

The previous prime is 1010221001. The next prime is 1010221021. The reversal of 1010221012 is 2101220101.

It can be written as a sum of positive squares in 4 ways, for example, as 475501636 + 534719376 = 21806^2 + 23124^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1010221012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27378 + ... + 52630.

It is an arithmetic number, because the mean of its divisors is an integer number (75219039).

Almost surely, 2^1010221012 is an apocalyptic number.

It is an amenable number.

1010221012 is a deficient number, since it is larger than the sum of its proper divisors (795035924).

1010221012 is a wasteful number, since it uses less digits than its factorization.

1010221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467 (or 25465 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1010221012 is about 31783.9741379205. The cubic root of 1010221012 is about 1003.3954617903.

Adding to 1010221012 its reverse (2101220101), we get a palindrome (3111441113).

The spelling of 1010221012 in words is "one billion, ten million, two hundred twenty-one thousand, twelve".