2201111110001 has 4 divisors (see below), whose sum is σ = 2207454370032. Its totient is φ = 2194767849972.

The previous prime is 2201111109997. The next prime is 2201111110043. The reversal of 2201111110001 is 1000111111022.

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 2201111110001 - 2² = 2201111109997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201111112001) 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, 3171629495 + ... + 3171630188.

It is an arithmetic number, because the mean of its divisors is an integer number (551863592508).

Almost surely, 2^{2201111110001} is an apocalyptic number.

It is an amenable number.

2201111110001 is a deficient number, since it is larger than the sum of its proper divisors (6343260031).

2201111110001 is an equidigital number, since it uses as much as digits as its factorization.

2201111110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343260030.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2201111110001 its reverse (1000111111022), we get a palindrome (3201222221023).

The spelling of 2201111110001 in words is "two trillion, two hundred one billion, one hundred eleven million, one hundred ten thousand, one".