2221110201100 has 144 divisors (see below), whose sum is σ = 5805046508800. Its totient is φ = 720599742720.

The previous prime is 2221110201083. The next prime is 2221110201103. The reversal of 2221110201100 is 11020111222.

It is not an unprimeable number, because it can be changed into a prime (2221110201103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11327494 + ... + 11521906.

Almost surely, 2^{2221110201100} is an apocalyptic number.

2221110201100 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 2221110201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2902523254400).

2221110201100 is an abundant number, since it is smaller than the sum of its proper divisors (3583936307700).

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

2221110201100 is a wasteful number, since it uses less digits than its factorization.

2221110201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195312 (or 195305 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2221110201100 its reverse (11020111222), we get a palindrome (2232130312322).

The spelling of 2221110201100 in words is "two trillion, two hundred twenty-one billion, one hundred ten million, two hundred one thousand, one hundred".