2211200220100 has 36 divisors (see below), whose sum is σ = 4818898109844. Its totient is φ = 880684026880.

The previous prime is 2211200220091. The next prime is 2211200220113. The reversal of 2211200220100 is 10220021122.

It is a happy number.

2211200220100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 297775393344 + 1913424826756 = 545688^2 + 1383266^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47427349 + ... + 47473948.

It is an arithmetic number, because the mean of its divisors is an integer number (133858280829).

Almost surely, 2^{2211200220100} is an apocalyptic number.

2211200220100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211200220100 is an abundant number, since it is smaller than the sum of its proper divisors (2607697889744).

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

2211200220100 is a wasteful number, since it uses less digits than its factorization.

2211200220100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94901544 (or 94901537 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2211200220100 its reverse (10220021122), we get a palindrome (2221420241222).

The spelling of 2211200220100 in words is "two trillion, two hundred eleven billion, two hundred million, two hundred twenty thousand, one hundred".