1011220110200 has 96 divisors (see below), whose sum is σ = 2361533628960. Its totient is φ = 402692505600.

The previous prime is 1011220110193. The next prime is 1011220110233. The reversal of 1011220110200 is 20110221101.

It is a super-2 number, since 2×1011220110200² (a number of 25 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 118781144 + ... + 118789656.

It is an arithmetic number, because the mean of its divisors is an integer number (24599308635).

Almost surely, 2^{1011220110200} is an apocalyptic number.

1011220110200 is a gapful number since it is divisible by the number (10) 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 1011220110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180766814480).

1011220110200 is an abundant number, since it is smaller than the sum of its proper divisors (1350313518760).

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

1011220110200 is a wasteful number, since it uses less digits than its factorization.

1011220110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11097 (or 11088 counting only the distinct ones).

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

Adding to 1011220110200 its reverse (20110221101), we get a palindrome (1031330331301).

The spelling of 1011220110200 in words is "one trillion, eleven billion, two hundred twenty million, one hundred ten thousand, two hundred".