1002010221010 has 16 divisors (see below), whose sum is σ = 1804106324376. Its totient is φ = 400695660288.

The previous prime is 1002010220993. The next prime is 1002010221013. The reversal of 1002010221010 is 101220102001.

It can be written as a sum of positive squares in 4 ways, for example, as 556586126209 + 445424094801 = 746047^2 + 667401^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (1002010221013) 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, 13514697 + ... + 13588636.

Almost surely, 2^{1002010221010} is an apocalyptic number.

1002010221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002010221010 is a deficient number, since it is larger than the sum of its proper divisors (802096103366).

1002010221010 is a wasteful number, since it uses less digits than its factorization.

1002010221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27107037.

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

Adding to 1002010221010 its reverse (101220102001), we get a palindrome (1103230323011).

The spelling of 1002010221010 in words is "one trillion, two billion, ten million, two hundred twenty-one thousand, ten".