121113204311 has 8 divisors (see below), whose sum is σ = 132127459200. Its totient is φ = 110099610040.

The previous prime is 121113204301. The next prime is 121113204323. The reversal of 121113204311 is 113402311121.

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 121113204311 - 2¹⁴ = 121113187927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113204301) 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, 267470 + ... + 560148.

It is an arithmetic number, because the mean of its divisors is an integer number (16515932400).

Almost surely, 2^121113204311 is an apocalyptic number.

121113204311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121113204311 is a deficient number, since it is larger than the sum of its proper divisors (11014254889).

121113204311 is a wasteful number, since it uses less digits than its factorization.

121113204311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330309.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121113204311 its reverse (113402311121), we get a palindrome (234515515432).

The spelling of 121113204311 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred four thousand, three hundred eleven".