121141040215 has 64 divisors (see below), whose sum is σ = 160698650112. Its totient is φ = 87128870400.

The previous prime is 121141040183. The next prime is 121141040219. The reversal of 121141040215 is 512040141121.

It is a happy number.

It is not a de Polignac number, because 121141040215 - 2⁵ = 121141040183 is a prime.

It is a super-3 number, since 3×121141040215³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141040219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127920372 + ... + 127921318.

It is an arithmetic number, because the mean of its divisors is an integer number (2510916408).

Almost surely, 2^121141040215 is an apocalyptic number.

121141040215 is a deficient number, since it is larger than the sum of its proper divisors (39557609897).

121141040215 is a wasteful number, since it uses less digits than its factorization.

121141040215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 121141040215 its reverse (512040141121), we get a palindrome (633181181336).

The spelling of 121141040215 in words is "one hundred twenty-one billion, one hundred forty-one million, forty thousand, two hundred fifteen".