210112201222220 has 48 divisors (see below), whose sum is σ = 482401229915808. Its totient is φ = 76237249820160.

The previous prime is 210112201222219. The next prime is 210112201222229. The reversal of 210112201222220 is 22222102211012.

It is a super-3 number, since 3×210112201222220³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210112201222192 and 210112201222201.

It is not an unprimeable number, because it can be changed into a prime (210112201222229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044817907 + ... + 1045018986.

It is an arithmetic number, because the mean of its divisors is an integer number (10050025623246).

Almost surely, 2^{210112201222220} is an apocalyptic number.

210112201222220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112201222220 is an abundant number, since it is smaller than the sum of its proper divisors (272289028693588).

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

210112201222220 is a wasteful number, since it uses less digits than its factorization.

210112201222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089837370 (or 2089837368 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 210112201222220 its reverse (22222102211012), we get a palindrome (232334303433232).

The spelling of 210112201222220 in words is "two hundred ten trillion, one hundred twelve billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty".