2201112222101 has 16 divisors (see below), whose sum is σ = 2386485990000. Its totient is φ = 2018034075648.

The previous prime is 2201112222047. The next prime is 2201112222121. The reversal of 2201112222101 is 1012222111022.

It can be written as a sum of positive squares in 8 ways, for example, as 613010702500 + 1588101519601 = 782950^2 + 1260199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201112222101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201112222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201112222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47776325 + ... + 47822373.

It is an arithmetic number, because the mean of its divisors is an integer number (149155374375).

Almost surely, 2^{2201112222101} is an apocalyptic number.

It is an amenable number.

2201112222101 is a deficient number, since it is larger than the sum of its proper divisors (185373767899).

2201112222101 is a wasteful number, since it uses less digits than its factorization.

2201112222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70888.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201112222101 its reverse (1012222111022), we get a palindrome (3213334333123).

The spelling of 2201112222101 in words is "two trillion, two hundred one billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".