20100021202110 has 64 divisors (see below), whose sum is σ = 48470670734400. Its totient is φ = 5334418194432.

The previous prime is 20100021202043. The next prime is 20100021202111. The reversal of 20100021202110 is 1120212000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100021202111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7550026 + ... + 9859154.

It is an arithmetic number, because the mean of its divisors is an integer number (757354230225).

Almost surely, 2^{20100021202110} is an apocalyptic number.

20100021202110 is an abundant number, since it is smaller than the sum of its proper divisors (28370649532290).

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

20100021202110 is a wasteful number, since it uses less digits than its factorization.

20100021202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310525.

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

Adding to 20100021202110 its reverse (1120212000102), we get a palindrome (21220233202212).

The spelling of 20100021202110 in words is "twenty trillion, one hundred billion, twenty-one million, two hundred two thousand, one hundred ten".