121500241131 has 8 divisors (see below), whose sum is σ = 162713980224. Its totient is φ = 80643331400.

The previous prime is 121500241081. The next prime is 121500241169. The reversal of 121500241131 is 131142005121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121500241131 - 2¹⁰ = 121500240107 is a prime.

It is a super-2 number, since 2×121500241131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121500241098 and 121500241107.

It is not an unprimeable number, because it can be changed into a prime (121500242131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89206545 + ... + 89207906.

It is an arithmetic number, because the mean of its divisors is an integer number (20339247528).

Almost surely, 2^121500241131 is an apocalyptic number.

121500241131 is a deficient number, since it is larger than the sum of its proper divisors (41213739093).

121500241131 is a wasteful number, since it uses less digits than its factorization.

121500241131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178414681.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 121500241131 its reverse (131142005121), we get a palindrome (252642246252).

The spelling of 121500241131 in words is "one hundred twenty-one billion, five hundred million, two hundred forty-one thousand, one hundred thirty-one".