2211111100201 has 4 divisors (see below), whose sum is σ = 2215886718592. Its totient is φ = 2206335481812.

The previous prime is 2211111100181. The next prime is 2211111100217. The reversal of 2211111100201 is 1020011111122.

It is a happy number.

2211111100201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2211111100201 - 2¹³ = 2211111092009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211111160201) 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, 2387808501 + ... + 2387809426.

It is an arithmetic number, because the mean of its divisors is an integer number (553971679648).

Almost surely, 2^{2211111100201} is an apocalyptic number.

It is an amenable number.

2211111100201 is a deficient number, since it is larger than the sum of its proper divisors (4775618391).

2211111100201 is an equidigital number, since it uses as much as digits as its factorization.

2211111100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775618390.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2211111100201 its reverse (1020011111122), we get a palindrome (3231122211323).

The spelling of 2211111100201 in words is "two trillion, two hundred eleven billion, one hundred eleven million, one hundred thousand, two hundred one".