1001002210220 has 12 divisors (see below), whose sum is σ = 2102104641504. Its totient is φ = 400400884080.

The previous prime is 1001002210177. The next prime is 1001002210223. The reversal of 1001002210220 is 220122001001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1001002210223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25025055236 + ... + 25025055275.

It is an arithmetic number, because the mean of its divisors is an integer number (175175386792).

Almost surely, 2^{1001002210220} is an apocalyptic number.

1001002210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001002210220 is an abundant number, since it is smaller than the sum of its proper divisors (1101102431284).

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

1001002210220 is a wasteful number, since it uses less digits than its factorization.

1001002210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50050110520 (or 50050110518 counting only the distinct ones).

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

Adding to 1001002210220 its reverse (220122001001), we get a palindrome (1221124211221).

The spelling of 1001002210220 in words is "one trillion, one billion, two million, two hundred ten thousand, two hundred twenty".