2211102220001 has 4 divisors (see below), whose sum is σ = 2211118918404. Its totient is φ = 2211085521600.

The previous prime is 2211102219971. The next prime is 2211102220009. The reversal of 2211102220001 is 1000222011122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2145463267600 + 65638952401 = 1464740^2 + 256201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211102220001 - 2²⁶ = 2211035111137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211102220009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8148980 + ... + 8415941.

It is an arithmetic number, because the mean of its divisors is an integer number (552779729601).

Almost surely, 2^{2211102220001} is an apocalyptic number.

It is an amenable number.

2211102220001 is a deficient number, since it is larger than the sum of its proper divisors (16698403).

2211102220001 is a wasteful number, since it uses less digits than its factorization.

2211102220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16698402.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2211102220001 its reverse (1000222011122), we get a palindrome (3211324231123).

The spelling of 2211102220001 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty thousand, one".