121323312211 has 8 divisors (see below), whose sum is σ = 124733157824. Its totient is φ = 117940210920.

The previous prime is 121323312203. The next prime is 121323312221. The reversal of 121323312211 is 112213323121.

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

It is a cyclic number.

It is not a de Polignac number, because 121323312211 - 2³ = 121323312203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121323312221) 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, 6676881 + ... + 6695026.

It is an arithmetic number, because the mean of its divisors is an integer number (15591644728).

Almost surely, 2^121323312211 is an apocalyptic number.

121323312211 is a deficient number, since it is larger than the sum of its proper divisors (3409845613).

121323312211 is a wasteful number, since it uses less digits than its factorization.

121323312211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13372161.

The product of its digits is 432, while the sum is 22.

Adding to 121323312211 its reverse (112213323121), we get a palindrome (233536635332).

The spelling of 121323312211 in words is "one hundred twenty-one billion, three hundred twenty-three million, three hundred twelve thousand, two hundred eleven".