121322311311 has 8 divisors (see below), whose sum is σ = 161764798000. Its totient is φ = 80880682752.

The previous prime is 121322311259. The next prime is 121322311321. The reversal of 121322311311 is 113113223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121322311311 - 2²³ = 121313922703 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 (121322311321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274815 + ... + 564063.

It is an arithmetic number, because the mean of its divisors is an integer number (20220599750).

Almost surely, 2^121322311311 is an apocalyptic number.

121322311311 is a deficient number, since it is larger than the sum of its proper divisors (40442486689).

121322311311 is a wasteful number, since it uses less digits than its factorization.

121322311311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429065.

The product of its digits is 216, while the sum is 21.

Adding to 121322311311 its reverse (113113223121), we get a palindrome (234435534432).

The spelling of 121322311311 in words is "one hundred twenty-one billion, three hundred twenty-two million, three hundred eleven thousand, three hundred eleven".