210220100112 has 160 divisors (see below), whose sum is σ = 614457815040. Its totient is φ = 61354944000.

The previous prime is 210220100087. The next prime is 210220100137. The reversal of 210220100112 is 211001022012.

It is an interprime number because it is at equal distance from previous prime (210220100087) and next prime (210220100137).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3423214 + ... + 3484082.

It is an arithmetic number, because the mean of its divisors is an integer number (3840361344).

Almost surely, 2^210220100112 is an apocalyptic number.

210220100112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220100112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307228907520).

210220100112 is an abundant number, since it is smaller than the sum of its proper divisors (404237714928).

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

210220100112 is a wasteful number, since it uses less digits than its factorization.

210220100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61133 (or 61127 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210220100112 its reverse (211001022012), we get a palindrome (421221122124).

The spelling of 210220100112 in words is "two hundred ten billion, two hundred twenty million, one hundred thousand, one hundred twelve".