1002001122010 has 32 divisors (see below), whose sum is σ = 2103325977600. Its totient is φ = 343543240656.

The previous prime is 1002001121987. The next prime is 1002001122079. The reversal of 1002001122010 is 102211002001.

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

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, 146060874 + ... + 146067733.

It is an arithmetic number, because the mean of its divisors is an integer number (65728936800).

Almost surely, 2^{1002001122010} is an apocalyptic number.

1002001122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002001122010 is an abundant number, since it is smaller than the sum of its proper divisors (1101324855590).

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

1002001122010 is an equidigital number, since it uses as much as digits as its factorization.

1002001122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292128635 (or 292128621 counting only the distinct ones).

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

Adding to 1002001122010 its reverse (102211002001), we get a palindrome (1104212124011).

The spelling of 1002001122010 in words is "one trillion, two billion, one million, one hundred twenty-two thousand, ten".