100220371 has 4 divisors (see below), whose sum is σ = 100985544. Its totient is φ = 99455200.

The previous prime is 100220363. The next prime is 100220431. The reversal of 100220371 is 173022001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 100220371 - 2³ = 100220363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100220311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382390 + ... + 382651.

It is an arithmetic number, because the mean of its divisors is an integer number (25246386).

Almost surely, 2^100220371 is an apocalyptic number.

100220371 is a deficient number, since it is larger than the sum of its proper divisors (765173).

100220371 is an equidigital number, since it uses as much as digits as its factorization.

100220371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765172.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100220371 is about 10011.0124862573. The cubic root of 100220371 is about 464.4995904015.

Adding to 100220371 its reverse (173022001), we get a palindrome (273242372).

The spelling of 100220371 in words is "one hundred million, two hundred twenty thousand, three hundred seventy-one".