2121502150 has 12 divisors (see below), whose sum is σ = 3945994092. Its totient is φ = 848600840.

The previous prime is 2121502147. The next prime is 2121502151. The reversal of 2121502150 is 512051212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121502151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21214972 + ... + 21215071.

It is an arithmetic number, because the mean of its divisors is an integer number (328832841).

Almost surely, 2^2121502150 is an apocalyptic number.

2121502150 is a deficient number, since it is larger than the sum of its proper divisors (1824491942).

2121502150 is a wasteful number, since it uses less digits than its factorization.

2121502150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42430055 (or 42430050 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2121502150 is about 46059.7671509529. The cubic root of 2121502150 is about 1284.9349995130.

Adding to 2121502150 its reverse (512051212), we get a palindrome (2633553362).

The spelling of 2121502150 in words is "two billion, one hundred twenty-one million, five hundred two thousand, one hundred fifty".