2153215110 has 64 divisors (see below), whose sum is σ = 5306095872. Its totient is φ = 558907776.

The previous prime is 2153215093. The next prime is 2153215123. The reversal of 2153215110 is 115123512.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 393312 + ... + 398748.

It is an arithmetic number, because the mean of its divisors is an integer number (82907748).

Almost surely, 2^2153215110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2153215110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2653047936).

2153215110 is an abundant number, since it is smaller than the sum of its proper divisors (3152880762).

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

2153215110 is a wasteful number, since it uses less digits than its factorization.

2153215110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5797.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 2153215110 is about 46402.7489487423. The cubic root of 2153215110 is about 1291.3059126744.

Adding to 2153215110 its reverse (115123512), we get a palindrome (2268338622).

The spelling of 2153215110 in words is "two billion, one hundred fifty-three million, two hundred fifteen thousand, one hundred ten".