2201001103123 has 4 divisors (see below), whose sum is σ = 2201004070288. Its totient is φ = 2200998135960.

The previous prime is 2201001103121. The next prime is 2201001103157. The reversal of 2201001103123 is 3213011001022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2201001103123 - 2¹ = 2201001103121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201001103097 and 2201001103106.

It is not an unprimeable number, because it can be changed into a prime (2201001103121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736090 + ... + 2223472.

It is an arithmetic number, because the mean of its divisors is an integer number (550251017572).

Almost surely, 2^{2201001103123} is an apocalyptic number.

2201001103123 is a deficient number, since it is larger than the sum of its proper divisors (2967165).

2201001103123 is a wasteful number, since it uses less digits than its factorization.

2201001103123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967164.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2201001103123 its reverse (3213011001022), we get a palindrome (5414012104145).

The spelling of 2201001103123 in words is "two trillion, two hundred one billion, one million, one hundred three thousand, one hundred twenty-three".