121052543241 has 32 divisors (see below), whose sum is σ = 193435810560. Its totient is φ = 65872687104.

The previous prime is 121052543231. The next prime is 121052543251. The reversal of 121052543241 is 142345250121.

It is an interprime number because it is at equal distance from previous prime (121052543231) and next prime (121052543251).

It is not a de Polignac number, because 121052543241 - 2²¹ = 121050446089 is a prime.

It is a super-2 number, since 2×121052543241² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121052543199 and 121052543208.

It is not an unprimeable number, because it can be changed into a prime (121052543201) 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, 1317000 + ... + 1405913.

It is an arithmetic number, because the mean of its divisors is an integer number (6044869080).

Almost surely, 2^121052543241 is an apocalyptic number.

It is an amenable number.

121052543241 is a deficient number, since it is larger than the sum of its proper divisors (72383267319).

121052543241 is a wasteful number, since it uses less digits than its factorization.

121052543241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723025.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 121052543241 its reverse (142345250121), we get a palindrome (263397793362).

The spelling of 121052543241 in words is "one hundred twenty-one billion, fifty-two million, five hundred forty-three thousand, two hundred forty-one".