29311122111293 has 16 divisors (see below), whose sum is σ = 31997796379200. Its totient is φ = 26628121351680.

The previous prime is 29311122111269. The next prime is 29311122111301. The reversal of 29311122111293 is 39211122111392.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29311122111293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29311122113293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290824013 + ... + 290924781.

It is an arithmetic number, because the mean of its divisors is an integer number (1999862273700).

Almost surely, 2^{29311122111293} is an apocalyptic number.

It is an amenable number.

29311122111293 is a deficient number, since it is larger than the sum of its proper divisors (2686674267907).

29311122111293 is a wasteful number, since it uses less digits than its factorization.

29311122111293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118732.

The product of its digits is 11664, while the sum is 38.

Subtracting 29311122111293 from its reverse (39211122111392), we obtain a palindrome (9900000000099).

It can be divided in two parts, 2931112 and 2111293, that added together give a palindrome (5042405).

The spelling of 29311122111293 in words is "twenty-nine trillion, three hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred ninety-three".