1001002220200 has 96 divisors (see below), whose sum is σ = 2458275874560. Its totient is φ = 378473356800.

The previous prime is 1001002220191. The next prime is 1001002220209. The reversal of 1001002220200 is 20222001001.

It is an interprime number because it is at equal distance from previous prime (1001002220191) and next prime (1001002220209).

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 (1001002220209) 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 23 ways as a sum of consecutive naturals, for example, 1610749 + ... + 2143948.

It is an arithmetic number, because the mean of its divisors is an integer number (25607040360).

Almost surely, 2^{1001002220200} is an apocalyptic number.

1001002220200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001002220200 is an abundant number, since it is smaller than the sum of its proper divisors (1457273654360).

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

1001002220200 is a wasteful number, since it uses less digits than its factorization.

1001002220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3754787 (or 3754778 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1001002220200 its reverse (20222001001), we get a palindrome (1021224221201).

The spelling of 1001002220200 in words is "one trillion, one billion, two million, two hundred twenty thousand, two hundred".