2150221300 has 18 divisors (see below), whose sum is σ = 4665980438. Its totient is φ = 860088480.

The previous prime is 2150221243. The next prime is 2150221303. The reversal of 2150221300 is 31220512.

It can be written as a sum of positive squares in 3 ways, for example, as 177795556 + 1972425744 = 13334^2 + 44412^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150221303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10751007 + ... + 10751206.

Almost surely, 2^2150221300 is an apocalyptic number.

2150221300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2150221300 is an abundant number, since it is smaller than the sum of its proper divisors (2515759138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2150221300 is a wasteful number, since it uses less digits than its factorization.

2150221300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21502227 (or 21502220 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 2150221300 is about 46370.4787553461. The cubic root of 2150221300 is about 1290.7071618983.

Adding to 2150221300 its reverse (31220512), we get a palindrome (2181441812).

The spelling of 2150221300 in words is "two billion, one hundred fifty million, two hundred twenty-one thousand, three hundred".