210113113123220 has 12 divisors (see below), whose sum is σ = 441237537558804. Its totient is φ = 84045245249280.

The previous prime is 210113113123169. The next prime is 210113113123273. The reversal of 210113113123220 is 22321311311012.

It is a happy number.

210113113123220 is digitally balanced in base 2, 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 2 ways, for example, as 80875595803396 + 129237517319824 = 8993086^2 + 11368268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252827828061 + ... + 5252827828100.

It is an arithmetic number, because the mean of its divisors is an integer number (36769794796567).

Almost surely, 2^{210113113123220} is an apocalyptic number.

210113113123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210113113123220 is an abundant number, since it is smaller than the sum of its proper divisors (231124424435584).

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

210113113123220 is a wasteful number, since it uses less digits than its factorization.

210113113123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10505655656170 (or 10505655656168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 210113113123220 its reverse (22321311311012), we get a palindrome (232434424434232).

The spelling of 210113113123220 in words is "two hundred ten trillion, one hundred thirteen billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred twenty".