2201311302123 has 16 divisors (see below), whose sum is σ = 2978976250496. Its totient is φ = 1445594895360.

The previous prime is 2201311302119. The next prime is 2201311302137. The reversal of 2201311302123 is 3212031131022.

It is not a de Polignac number, because 2201311302123 - 2² = 2201311302119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201311302123.

It is not an unprimeable number, because it can be changed into a prime (2201311372123) 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, 7658283 + ... + 7940523.

It is an arithmetic number, because the mean of its divisors is an integer number (186186015656).

Almost surely, 2^{2201311302123} is an apocalyptic number.

2201311302123 is a deficient number, since it is larger than the sum of its proper divisors (777664948373).

2201311302123 is a wasteful number, since it uses less digits than its factorization.

2201311302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321114.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2201311302123 its reverse (3212031131022), we get a palindrome (5413342433145).

The spelling of 2201311302123 in words is "two trillion, two hundred one billion, three hundred eleven million, three hundred two thousand, one hundred twenty-three".