13122211320203 has 16 divisors (see below), whose sum is σ = 13461897642336. Its totient is φ = 12784098969600.

The previous prime is 13122211320187. The next prime is 13122211320223. The reversal of 13122211320203 is 30202311222131.

It is not a de Polignac number, because 13122211320203 - 2⁴ = 13122211320187 is a prime.

It is a super-2 number, since 2×13122211320203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122211320223) 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, 337546775 + ... + 337585647.

It is an arithmetic number, because the mean of its divisors is an integer number (841368602646).

Almost surely, 2^{13122211320203} is an apocalyptic number.

13122211320203 is a deficient number, since it is larger than the sum of its proper divisors (339686322133).

13122211320203 is a wasteful number, since it uses less digits than its factorization.

13122211320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58894.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13122211320203 its reverse (30202311222131), we get a palindrome (43324522542334).

The spelling of 13122211320203 in words is "thirteen trillion, one hundred twenty-two billion, two hundred eleven million, three hundred twenty thousand, two hundred three".