13111222144342 has 32 divisors (see below), whose sum is σ = 22623664594752. Its totient is φ = 5582353711104.

The previous prime is 13111222144309. The next prime is 13111222144357. The reversal of 13111222144342 is 24344122211131.

It is a super-2 number, since 2×13111222144342² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 1329403 + ... + 5290534.

It is an arithmetic number, because the mean of its divisors is an integer number (706989518586).

Almost surely, 2^{13111222144342} is an apocalyptic number.

13111222144342 is a deficient number, since it is larger than the sum of its proper divisors (9512442450410).

13111222144342 is a wasteful number, since it uses less digits than its factorization.

13111222144342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620872.

The product of its digits is 9216, while the sum is 31.

Adding to 13111222144342 its reverse (24344122211131), we get a palindrome (37455344355473).

The spelling of 13111222144342 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-two million, one hundred forty-four thousand, three hundred forty-two".