2201111111111 has 8 divisors (see below), whose sum is σ = 2542459893264. Its totient is φ = 1883303624320.

The previous prime is 2201111111083. The next prime is 2201111111149. The reversal of 2201111111111 is 1111111111022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2201111111111 - 2¹⁰ = 2201111110087 is a prime.

It is a Duffinian number.

2201111111111 is a modest number, since divided by 1111111 gives 220111 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201111111911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5885323640 + ... + 5885324013.

It is an arithmetic number, because the mean of its divisors is an integer number (317807486658).

Almost surely, 2^{2201111111111} is an apocalyptic number.

2201111111111 is a deficient number, since it is larger than the sum of its proper divisors (341348782153).

2201111111111 is a wasteful number, since it uses less digits than its factorization.

2201111111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770647681.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 2201111111111 its reverse (1111111111022), we get a palindrome (3312222222133).

The spelling of 2201111111111 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".