20111110010200 has 384 divisors, whose sum is σ = 54976864112640. Its totient is φ = 6765454080000.

The previous prime is 20111110010137. The next prime is 20111110010207. The reversal of 20111110010200 is 201001111102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20111110010207) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3822675570 + ... + 3822680830.

It is an arithmetic number, because the mean of its divisors is an integer number (143168916960).

Almost surely, 2^{20111110010200} is an apocalyptic number.

20111110010200 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 20111110010200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27488432056320).

20111110010200 is an abundant number, since it is smaller than the sum of its proper divisors (34865754102440).

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

20111110010200 is a wasteful number, since it uses less digits than its factorization.

20111110010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7779 (or 7770 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20111110010200 its reverse (201001111102), we get a palindrome (20312111121302).

The spelling of 20111110010200 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, ten thousand, two hundred".