3250221101 has 4 divisors (see below), whose sum is σ = 3259866012. Its totient is φ = 3240576192.

The previous prime is 3250221097. The next prime is 3250221157. The reversal of 3250221101 is 1011220523.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1011220523 = 2113 ⋅478571.

It can be written as a sum of positive squares in 2 ways, for example, as 1274418601 + 1975802500 = 35699^2 + 44450^2 .

It is a cyclic number.

It is not a de Polignac number, because 3250221101 - 2² = 3250221097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3250221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3210221101) 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, 4821950 + ... + 4822623.

It is an arithmetic number, because the mean of its divisors is an integer number (814966503).

Almost surely, 2^3250221101 is an apocalyptic number.

It is an amenable number.

3250221101 is a deficient number, since it is larger than the sum of its proper divisors (9644911).

3250221101 is an equidigital number, since it uses as much as digits as its factorization.

3250221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644910.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 3250221101 is about 57010.7104060281. The cubic root of 3250221101 is about 1481.2816237416.

Adding to 3250221101 its reverse (1011220523), we get a palindrome (4261441624).

The spelling of 3250221101 in words is "three billion, two hundred fifty million, two hundred twenty-one thousand, one hundred one".