121204344311 has 8 divisors (see below), whose sum is σ = 122990400000. Its totient is φ = 119420481880.

The previous prime is 121204344271. The next prime is 121204344347. The reversal of 121204344311 is 113443402121.

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 121204344311 - 2¹⁴ = 121204327927 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 (121204340311) 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, 436811 + ... + 658188.

It is an arithmetic number, because the mean of its divisors is an integer number (15373800000).

Almost surely, 2^121204344311 is an apocalyptic number.

121204344311 is a deficient number, since it is larger than the sum of its proper divisors (1786055689).

121204344311 is a wasteful number, since it uses less digits than its factorization.

121204344311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096629.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121204344311 its reverse (113443402121), we get a palindrome (234647746432).

The spelling of 121204344311 in words is "one hundred twenty-one billion, two hundred four million, three hundred forty-four thousand, three hundred eleven".