213220201110 has 128 divisors (see below), whose sum is σ = 601314029568. Its totient is φ = 47371392000.

The previous prime is 213220201063. The next prime is 213220201163. The reversal of 213220201110 is 11102022312.

It is a super-2 number, since 2×213220201110² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 213220201110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2287620 + ... + 2379000.

It is an arithmetic number, because the mean of its divisors is an integer number (4697765856).

Almost surely, 2^213220201110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213220201110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300657014784).

213220201110 is an abundant number, since it is smaller than the sum of its proper divisors (388093828458).

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

213220201110 is a wasteful number, since it uses less digits than its factorization.

213220201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91710.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 213220201110 its reverse (11102022312), we get a palindrome (224322223422).

The spelling of 213220201110 in words is "two hundred thirteen billion, two hundred twenty million, two hundred one thousand, one hundred ten".