100220113 has 8 divisors (see below), whose sum is σ = 117331200. Its totient is φ = 83807520.

The previous prime is 100220101. The next prime is 100220119. The reversal of 100220113 is 311022001.

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

It is a cyclic number.

It is not a de Polignac number, because 100220113 - 2¹³ = 100211921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100220113.

It is not an unprimeable number, because it can be changed into a prime (100220119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174313 + ... + 174886.

It is an arithmetic number, because the mean of its divisors is an integer number (14666400).

Almost surely, 2^100220113 is an apocalyptic number.

It is an amenable number.

100220113 is a deficient number, since it is larger than the sum of its proper divisors (17111087).

100220113 is an equidigital number, since it uses as much as digits as its factorization.

100220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349247.

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

The square root of 100220113 is about 10010.9996004395. Note that the first 3 decimals coincide. The cubic root of 100220113 is about 464.4991918099.

Adding to 100220113 its reverse (311022001), we get a palindrome (411242114).

It can be divided in two parts, 1002 and 20113, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 100220113 in words is "one hundred million, two hundred twenty thousand, one hundred thirteen".