212113110 has 64 divisors (see below), whose sum is σ = 556865280. Its totient is φ = 51281280.

The previous prime is 212113081. The next prime is 212113117. The reversal of 212113110 is 11311212.

212113110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212113117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171976 + ... + 173204.

It is an arithmetic number, because the mean of its divisors is an integer number (8701020).

Almost surely, 2^212113110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212113110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278432640).

212113110 is an abundant number, since it is smaller than the sum of its proper divisors (344752170).

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

212113110 is a wasteful number, since it uses less digits than its factorization.

212113110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 212113110 is about 14564.1034739527. The cubic root of 212113110 is about 596.3792216706.

Adding to 212113110 its reverse (11311212), we get a palindrome (223424322).

The spelling of 212113110 in words is "two hundred twelve million, one hundred thirteen thousand, one hundred ten".