2201123121113 has 16 divisors (see below), whose sum is σ = 2535784366080. Its totient is φ = 1871520423696.

The previous prime is 2201123121107. The next prime is 2201123121133. The reversal of 2201123121113 is 3111213211022.

It is a de Polignac number, because none of the positive numbers 2^k-2201123121113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2201123121133) 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, 5425358 + ... + 5816936.

It is an arithmetic number, because the mean of its divisors is an integer number (158486522880).

Almost surely, 2^{2201123121113} is an apocalyptic number.

It is an amenable number.

2201123121113 is a deficient number, since it is larger than the sum of its proper divisors (334661244967).

2201123121113 is a wasteful number, since it uses less digits than its factorization.

2201123121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398036.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2201123121113 its reverse (3111213211022), we get a palindrome (5312336332135).

The spelling of 2201123121113 in words is "two trillion, two hundred one billion, one hundred twenty-three million, one hundred twenty-one thousand, one hundred thirteen".