121133110131 has 48 divisors (see below), whose sum is σ = 201056768640. Its totient is φ = 69503650560.

The previous prime is 121133110127. The next prime is 121133110157. The reversal of 121133110131 is 131011331121.

It is not a de Polignac number, because 121133110131 - 2² = 121133110127 is a prime.

It is a super-2 number, since 2×121133110131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121133110531) 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 47 ways as a sum of consecutive naturals, for example, 2900460 + ... + 2941926.

It is an arithmetic number, because the mean of its divisors is an integer number (4188682680).

Almost surely, 2^121133110131 is an apocalyptic number.

121133110131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121133110131 is a deficient number, since it is larger than the sum of its proper divisors (79923658509).

121133110131 is a wasteful number, since it uses less digits than its factorization.

121133110131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43056 (or 43053 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 121133110131 its reverse (131011331121), we get a palindrome (252144441252).

The spelling of 121133110131 in words is "one hundred twenty-one billion, one hundred thirty-three million, one hundred ten thousand, one hundred thirty-one".