11101222200001 has 4 divisors (see below), whose sum is σ = 11101229757892. Its totient is φ = 11101214642112.

The previous prime is 11101222199999. The next prime is 11101222200007. The reversal of 11101222200001 is 10000222210111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4916525720976 + 6184696479025 = 2217324^2 + 2486905^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101222200001 - 2¹ = 11101222199999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101222200007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785076 + ... + 4776901.

It is an arithmetic number, because the mean of its divisors is an integer number (2775307439473).

Almost surely, 2^{11101222200001} is an apocalyptic number.

It is an amenable number.

11101222200001 is a deficient number, since it is larger than the sum of its proper divisors (7557891).

11101222200001 is an equidigital number, since it uses as much as digits as its factorization.

11101222200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557890.

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

Adding to 11101222200001 its reverse (10000222210111), we get a palindrome (21101444410112).

The spelling of 11101222200001 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred thousand, one".