121043311 has 8 divisors (see below), whose sum is σ = 122094720. Its totient is φ = 119995992.

The previous prime is 121043239. The next prime is 121043359. The reversal of 121043311 is 113340121.

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 121043311 - 2¹³ = 121035119 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 (121044311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91110 + ... + 92428.

It is an arithmetic number, because the mean of its divisors is an integer number (15261840).

Almost surely, 2^121043311 is an apocalyptic number.

121043311 is a deficient number, since it is larger than the sum of its proper divisors (1051409).

121043311 is a wasteful number, since it uses less digits than its factorization.

121043311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 121043311 is about 11001.9685056812. The cubic root of 121043311 is about 494.6677510573.

Adding to 121043311 its reverse (113340121), we get a palindrome (234383432).

It can be divided in two parts, 1210 and 43311, that added together give a square (44521 = 211²).

The spelling of 121043311 in words is "one hundred twenty-one million, forty-three thousand, three hundred eleven".