210220112 has 10 divisors (see below), whose sum is σ = 407301498. Its totient is φ = 105110048.

The previous prime is 210220111. The next prime is 210220151. The reversal of 210220112 is 211022012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 176996416 + 33223696 = 13304^2 + 5764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210220093 and 210220102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6569363 + ... + 6569394.

Almost surely, 2^210220112 is an apocalyptic number.

It is an amenable number.

210220112 is a deficient number, since it is larger than the sum of its proper divisors (197081386).

210220112 is a wasteful number, since it uses less digits than its factorization.

210220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138765 (or 13138759 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 210220112 is about 14498.9693426809. The cubic root of 210220112 is about 594.5997939597.

Adding to 210220112 its reverse (211022012), we get a palindrome (421242124).

The spelling of 210220112 in words is "two hundred ten million, two hundred twenty thousand, one hundred twelve".