13211144321042 has 16 divisors (see below), whose sum is σ = 20859773106240. Its totient is φ = 6257889003888.

The previous prime is 13211144320999. The next prime is 13211144321057. The reversal of 13211144321042 is 24012344111231.

It is a junction number, because it is equal to n+sod(n) for n = 13211144320996 and 13211144321014.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18953963 + ... + 19638609.

It is an arithmetic number, because the mean of its divisors is an integer number (1303735819140).

Almost surely, 2^{13211144321042} is an apocalyptic number.

13211144321042 is a deficient number, since it is larger than the sum of its proper divisors (7648628785198).

13211144321042 is a wasteful number, since it uses less digits than its factorization.

13211144321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192465.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 13211144321042 its reverse (24012344111231), we get a palindrome (37223488432273).

The spelling of 13211144321042 in words is "thirteen trillion, two hundred eleven billion, one hundred forty-four million, three hundred twenty-one thousand, forty-two".