121041311 has 4 divisors (see below), whose sum is σ = 121548000. Its totient is φ = 120534624.

The previous prime is 121041299. The next prime is 121041313. The reversal of 121041311 is 113140121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113140121 = 97 ⋅1166393.

It is a cyclic number.

It is not a de Polignac number, because 121041311 - 2¹⁸ = 120779167 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 (121041313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252986 + ... + 253463.

It is an arithmetic number, because the mean of its divisors is an integer number (30387000).

Almost surely, 2^121041311 is an apocalyptic number.

121041311 is a deficient number, since it is larger than the sum of its proper divisors (506689).

121041311 is an equidigital number, since it uses as much as digits as its factorization.

121041311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506688.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 121041311 is about 11001.8776124805. The cubic root of 121041311 is about 494.6650265754.

Adding to 121041311 its reverse (113140121), we get a palindrome (234181432).

The spelling of 121041311 in words is "one hundred twenty-one million, forty-one thousand, three hundred eleven".