213055110 has 96 divisors (see below), whose sum is σ = 588107520. Its totient is φ = 55466208.

The previous prime is 213055103. The next prime is 213055223. The reversal of 213055110 is 11550312.

It is a super-2 number, since 2×213055110² = 90784959794224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103471 + ... + 105509.

It is an arithmetic number, because the mean of its divisors is an integer number (6126120).

Almost surely, 2^213055110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213055110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294053760).

213055110 is an abundant number, since it is smaller than the sum of its proper divisors (375052410).

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

213055110 is a wasteful number, since it uses less digits than its factorization.

213055110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 213055110 is about 14596.4074347080. The cubic root of 213055110 is about 597.2607633353.

The spelling of 213055110 in words is "two hundred thirteen million, fifty-five thousand, one hundred ten".