121110323231311 has 16 divisors (see below), whose sum is σ = 127417282813440. Its totient is φ = 114954905668960.

The previous prime is 121110323231299. The next prime is 121110323231351. The reversal of 121110323231311 is 113132323011121.

It is a cyclic number.

It is not a de Polignac number, because 121110323231311 - 2¹³ = 121110323223119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110323231351) 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, 84040531 + ... + 85469476.

It is an arithmetic number, because the mean of its divisors is an integer number (7963580175840).

Almost surely, 2^{121110323231311} is an apocalyptic number.

121110323231311 is a deficient number, since it is larger than the sum of its proper divisors (6306959582129).

121110323231311 is a wasteful number, since it uses less digits than its factorization.

121110323231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169510454.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 121110323231311 its reverse (113132323011121), we get a palindrome (234242646242432).

The spelling of 121110323231311 in words is "one hundred twenty-one trillion, one hundred ten billion, three hundred twenty-three million, two hundred thirty-one thousand, three hundred eleven".