213221030110 has 32 divisors (see below), whose sum is σ = 436892424192. Its totient is φ = 74163835680.

The previous prime is 213221030107. The next prime is 213221030111. The reversal of 213221030110 is 11030122312.

It is a super-2 number, since 2×213221030110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213221030111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42136014 + ... + 42141073.

It is an arithmetic number, because the mean of its divisors is an integer number (13652888256).

Almost surely, 2^213221030110 is an apocalyptic number.

213221030110 is an abundant number, since it is smaller than the sum of its proper divisors (223671394082).

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

213221030110 is a wasteful number, since it uses less digits than its factorization.

213221030110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84277128.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213221030110 its reverse (11030122312), we get a palindrome (224251152422).

The spelling of 213221030110 in words is "two hundred thirteen billion, two hundred twenty-one million, thirty thousand, one hundred ten".