20010111210200 has 96 divisors (see below), whose sum is σ = 46694484018000. Its totient is φ = 7974662922240.

The previous prime is 20010111210161. The next prime is 20010111210217. The reversal of 20010111210200 is 201211101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96075776 + ... + 96283824.

Almost surely, 2^{20010111210200} is an apocalyptic number.

20010111210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010111210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23347242009000).

20010111210200 is an abundant number, since it is smaller than the sum of its proper divisors (26684372807800).

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

20010111210200 is a wasteful number, since it uses less digits than its factorization.

20010111210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209829 (or 209820 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20010111210200 its reverse (201211101002), we get a palindrome (20211322311202).

The spelling of 20010111210200 in words is "twenty trillion, ten billion, one hundred eleven million, two hundred ten thousand, two hundred".