1001100030220 has 24 divisors (see below), whose sum is σ = 2102394004704. Its totient is φ = 400424023296.

The previous prime is 1001100030211. The next prime is 1001100030247. The reversal of 1001100030220 is 220300011001.

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

It is a junction number, because it is equal to n+sod(n) for n = 1001100030197 and 1001100030206.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 479277 + ... + 1493956.

It is an arithmetic number, because the mean of its divisors is an integer number (87599750196).

Almost surely, 2^{1001100030220} is an apocalyptic number.

1001100030220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001100030220 is an abundant number, since it is smaller than the sum of its proper divisors (1101293974484).

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

1001100030220 is a wasteful number, since it uses less digits than its factorization.

1001100030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998609 (or 1998607 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1001100030220 its reverse (220300011001), we get a palindrome (1221400041221).

The spelling of 1001100030220 in words is "one trillion, one billion, one hundred million, thirty thousand, two hundred twenty".