220011220100 has 108 divisors (see below), whose sum is σ = 584601489360. Its totient is φ = 71462260800.

The previous prime is 220011220073. The next prime is 220011220111. The reversal of 220011220100 is 1022110022.

It is a happy number.

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 35 ways as a sum of consecutive naturals, for example, 1088486 + ... + 1274685.

Almost surely, 2^220011220100 is an apocalyptic number.

220011220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220011220100 is an abundant number, since it is smaller than the sum of its proper divisors (364590269260).

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

220011220100 is a wasteful number, since it uses less digits than its factorization.

220011220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363218 (or 2363204 counting only the distinct ones).

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

Adding to 220011220100 its reverse (1022110022), we get a palindrome (221033330122).

The spelling of 220011220100 in words is "two hundred twenty billion, eleven million, two hundred twenty thousand, one hundred".