100100001120220 has 24 divisors (see below), whose sum is σ = 210259921789008. Its totient is φ = 40030491984000.

The previous prime is 100100001120193. The next prime is 100100001120241. The reversal of 100100001120220 is 22021100001001.

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 = 100100001120197 and 100100001120206.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 594192681 + ... + 594361120.

It is an arithmetic number, because the mean of its divisors is an integer number (8760830074542).

Almost surely, 2^{100100001120220} is an apocalyptic number.

100100001120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100100001120220 is an abundant number, since it is smaller than the sum of its proper divisors (110159920668788).

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

100100001120220 is a wasteful number, since it uses less digits than its factorization.

100100001120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188558021 (or 1188558019 counting only the distinct ones).

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

Adding to 100100001120220 its reverse (22021100001001), we get a palindrome (122121101121221).

The spelling of 100100001120220 in words is "one hundred trillion, one hundred billion, one million, one hundred twenty thousand, two hundred twenty".