1002001222010 has 32 divisors (see below), whose sum is σ = 1813874990400. Its totient is φ = 398518133760.

The previous prime is 1002001222009. The next prime is 1002001222031. The reversal of 1002001222010 is 102221002001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1002001221982 and 1002001222000.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 20254205 + ... + 20303615.

It is an arithmetic number, because the mean of its divisors is an integer number (56683593450).

Almost surely, 2^{1002001222010} is an apocalyptic number.

1002001222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002001222010 is a deficient number, since it is larger than the sum of its proper divisors (811873768390).

1002001222010 is a wasteful number, since it uses less digits than its factorization.

1002001222010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60926.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002001222010 its reverse (102221002001), we get a palindrome (1104222224011).

The spelling of 1002001222010 in words is "one trillion, two billion, one million, two hundred twenty-two thousand, ten".