20210113210110 has 128 divisors (see below), whose sum is σ = 53017226846208. Its totient is φ = 4908433920000.

The previous prime is 20210113210103. The next prime is 20210113210151. The reversal of 20210113210110 is 1101231101202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20210113210110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 433660810 + ... + 433707410.

It is an arithmetic number, because the mean of its divisors is an integer number (414197084736).

Almost surely, 2^{20210113210110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20210113210110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26508613423104).

20210113210110 is an abundant number, since it is smaller than the sum of its proper divisors (32807113636098).

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

20210113210110 is a wasteful number, since it uses less digits than its factorization.

20210113210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74090.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20210113210110 its reverse (1101231101202), we get a palindrome (21311344311312).

The spelling of 20210113210110 in words is "twenty trillion, two hundred ten billion, one hundred thirteen million, two hundred ten thousand, one hundred ten".