220000101 has 4 divisors (see below), whose sum is σ = 293333472. Its totient is φ = 146666732.

The previous prime is 220000073. The next prime is 220000141. The reversal of 220000101 is 101000022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220000101 - 2¹³ = 219991909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220000141) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36666681 + ... + 36666686.

It is an arithmetic number, because the mean of its divisors is an integer number (73333368).

Almost surely, 2^220000101 is an apocalyptic number.

It is an amenable number.

220000101 is a deficient number, since it is larger than the sum of its proper divisors (73333371).

220000101 is an equidigital number, since it uses as much as digits as its factorization.

220000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73333370.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 220000101 is about 14832.4003789002. The cubic root of 220000101 is about 603.6811660613.

Adding to 220000101 its reverse (101000022), we get a palindrome (321000123).

The spelling of 220000101 in words is "two hundred twenty million, one hundred one", and thus it is an aban number.