210220221020112 has 160 divisors (see below), whose sum is σ = 605766872367360. Its totient is φ = 69799866071040.

The previous prime is 210220221020111. The next prime is 210220221020189. The reversal of 210220221020112 is 211020122022012.

It is a happy number.

210220221020112 is a `hidden beast` number, since 2 + 10 + 220 + 221 + 0 + 201 + 12 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210220221020111) 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, 352102708 + ... + 352699244.

It is an arithmetic number, because the mean of its divisors is an integer number (3786042952296).

Almost surely, 2^{210220221020112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220221020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302883436183680).

210220221020112 is an abundant number, since it is smaller than the sum of its proper divisors (395546651347248).

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

210220221020112 is a wasteful number, since it uses less digits than its factorization.

210220221020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599738 (or 599726 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210220221020112 its reverse (211020122022012), we get a palindrome (421240343042124).

The spelling of 210220221020112 in words is "two hundred ten trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, one hundred twelve".