113212212210 has 48 divisors (see below), whose sum is σ = 294542141400. Its totient is φ = 30170396160.

The previous prime is 113212212199. The next prime is 113212212227. The reversal of 113212212210 is 12212212311.

113212212210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 99995720841 + 13216491369 = 316221^2 + 114963^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266631 + ... + 545450.

Almost surely, 2^113212212210 is an apocalyptic number.

113212212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113212212210 is an abundant number, since it is smaller than the sum of its proper divisors (181329929190).

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

113212212210 is a wasteful number, since it uses less digits than its factorization.

113212212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813643 (or 813640 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 113212212210 its reverse (12212212311), we get a palindrome (125424424521).

The spelling of 113212212210 in words is "one hundred thirteen billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".