2220203101 has 4 divisors (see below), whose sum is σ = 2229415804. Its totient is φ = 2210990400.

The previous prime is 2220203081. The next prime is 2220203113. The reversal of 2220203101 is 1013020222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1580062500 + 640140601 = 39750^2 + 25301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220203101 - 2¹³ = 2220194909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220203171) 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, 4605990 + ... + 4606471.

It is an arithmetic number, because the mean of its divisors is an integer number (557353951).

Almost surely, 2^2220203101 is an apocalyptic number.

It is an amenable number.

2220203101 is a deficient number, since it is larger than the sum of its proper divisors (9212703).

2220203101 is an equidigital number, since it uses as much as digits as its factorization.

2220203101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212702.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2220203101 is about 47119.0311975957. The cubic root of 2220203101 is about 1304.5605310099.

Adding to 2220203101 its reverse (1013020222), we get a palindrome (3233223323).

The spelling of 2220203101 in words is "two billion, two hundred twenty million, two hundred three thousand, one hundred one".