121511214041 has 32 divisors (see below), whose sum is σ = 151172702208. Its totient is φ = 95291562240.

The previous prime is 121511214037. The next prime is 121511214043. The reversal of 121511214041 is 140412115121.

It is not a de Polignac number, because 121511214041 - 2² = 121511214037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121511213998 and 121511214016.

It is not an unprimeable number, because it can be changed into a prime (121511214043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023416 + ... + 1135958.

It is an arithmetic number, because the mean of its divisors is an integer number (4724146944).

Almost surely, 2^121511214041 is an apocalyptic number.

It is an amenable number.

121511214041 is a deficient number, since it is larger than the sum of its proper divisors (29661488167).

121511214041 is a wasteful number, since it uses less digits than its factorization.

121511214041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112821.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 121511214041 its reverse (140412115121), we get a palindrome (261923329162).

The spelling of 121511214041 in words is "one hundred twenty-one billion, five hundred eleven million, two hundred fourteen thousand, forty-one".