1002220021210 has 16 divisors (see below), whose sum is σ = 1818200733696. Its totient is φ = 397731409488.

The previous prime is 1002220021189. The next prime is 1002220021223. The reversal of 1002220021210 is 121200222001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394573542 + ... + 394576081.

It is an arithmetic number, because the mean of its divisors is an integer number (113637545856).

Almost surely, 2^{1002220021210} is an apocalyptic number.

1002220021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002220021210 is a deficient number, since it is larger than the sum of its proper divisors (815980712486).

1002220021210 is a wasteful number, since it uses less digits than its factorization.

1002220021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789149757.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1002220021210 its reverse (121200222001), we get a palindrome (1123420243211).

The spelling of 1002220021210 in words is "one trillion, two billion, two hundred twenty million, twenty-one thousand, two hundred ten".