100220144565 has 8 divisors (see below), whose sum is σ = 160352231328. Its totient is φ = 53450743760.

The previous prime is 100220144513. The next prime is 100220144573. The reversal of 100220144565 is 565441022001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100220144565 - 2¹² = 100220140469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340671471 + ... + 3340671500.

It is an arithmetic number, because the mean of its divisors is an integer number (20044028916).

Almost surely, 2^100220144565 is an apocalyptic number.

100220144565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100220144565 is a deficient number, since it is larger than the sum of its proper divisors (60132086763).

100220144565 is an equidigital number, since it uses as much as digits as its factorization.

100220144565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6681342979.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 100220144565 its reverse (565441022001), we get a palindrome (665661166566).

The spelling of 100220144565 in words is "one hundred billion, two hundred twenty million, one hundred forty-four thousand, five hundred sixty-five".