2151352121 has 8 divisors (see below), whose sum is σ = 2295604320. Its totient is φ = 2010202272.

The previous prime is 2151352109. The next prime is 2151352129. The reversal of 2151352121 is 1212531512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2151352121 - 2¹⁸ = 2151089977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2151352129) 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 7 ways as a sum of consecutive naturals, for example, 774155 + ... + 776928.

It is an arithmetic number, because the mean of its divisors is an integer number (286950540).

Almost surely, 2^2151352121 is an apocalyptic number.

It is an amenable number.

2151352121 is a deficient number, since it is larger than the sum of its proper divisors (144252199).

2151352121 is a wasteful number, since it uses less digits than its factorization.

2151352121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551175.

The product of its digits is 600, while the sum is 23.

The square root of 2151352121 is about 46382.6704815495. The cubic root of 2151352121 is about 1290.9333871358.

Adding to 2151352121 its reverse (1212531512), we get a palindrome (3363883633).

The spelling of 2151352121 in words is "two billion, one hundred fifty-one million, three hundred fifty-two thousand, one hundred twenty-one".