20103121410210 has 128 divisors (see below), whose sum is σ = 56450699366400. Its totient is φ = 5076803666880.

The previous prime is 20103121410199. The next prime is 20103121410217. The reversal of 20103121410210 is 1201412130102.

20103121410210 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 312 + 141 + 0 + 210 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20103121410217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13163095 + ... + 14610725.

It is an arithmetic number, because the mean of its divisors is an integer number (441021088800).

Almost surely, 2^{20103121410210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20103121410210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28225349683200).

20103121410210 is an abundant number, since it is smaller than the sum of its proper divisors (36347577956190).

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

20103121410210 is a wasteful number, since it uses less digits than its factorization.

20103121410210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450373 (or 1450367 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20103121410210 its reverse (1201412130102), we get a palindrome (21304533540312).

The spelling of 20103121410210 in words is "twenty trillion, one hundred three billion, one hundred twenty-one million, four hundred ten thousand, two hundred ten".