13111223222210 has 32 divisors (see below), whose sum is σ = 23990405645232. Its totient is φ = 5157801089280.

The previous prime is 13111223222203. The next prime is 13111223222239. The reversal of 13111223222210 is 1222232211131.

It can be written as a sum of positive squares in 8 ways, for example, as 1068095379169 + 12043127843041 = 1033487^2 + 3470321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2942612 + ... + 5906048.

Almost surely, 2^{13111223222210} is an apocalyptic number.

13111223222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111223222210 is a deficient number, since it is larger than the sum of its proper divisors (10879182423022).

13111223222210 is a wasteful number, since it uses less digits than its factorization.

13111223222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970758.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 13111223222210 its reverse (1222232211131), we get a palindrome (14333455433341).

The spelling of 13111223222210 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-three million, two hundred twenty-two thousand, two hundred ten".