121152111131 has 2 divisors, whose sum is σ = 121152111132. Its totient is φ = 121152111130.

The previous prime is 121152111121. The next prime is 121152111191. The reversal of 121152111131 is 131111251121.

It is a m-pointer prime, because the next prime (121152111191) can be obtained adding 121152111131 to its product of digits (60).

It is a weak prime.

It is an emirp because it is prime and its reverse (131111251121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121152111131 is a prime.

It is a super-2 number, since 2×121152111131² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121152111121) 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 as a sum of consecutive naturals, namely, 60576055565 + 60576055566.

It is an arithmetic number, because the mean of its divisors is an integer number (60576055566).

Almost surely, 2^121152111131 is an apocalyptic number.

121152111131 is a deficient number, since it is larger than the sum of its proper divisors (1).

121152111131 is an equidigital number, since it uses as much as digits as its factorization.

121152111131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60, while the sum is 20.

Adding to 121152111131 its reverse (131111251121), we get a palindrome (252263362252).

The spelling of 121152111131 in words is "one hundred twenty-one billion, one hundred fifty-two million, one hundred eleven thousand, one hundred thirty-one".