121233041101545 has 8 divisors (see below), whose sum is σ = 193972865762496. Its totient is φ = 64657621920816.

The previous prime is 121233041101511. The next prime is 121233041101547. The reversal of 121233041101545 is 545101140332121.

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

It is not a de Polignac number, because 121233041101545 - 2¹⁸ = 121233040839401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121233041101547) 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, 4041101370037 + ... + 4041101370066.

It is an arithmetic number, because the mean of its divisors is an integer number (24246608220312).

Almost surely, 2^{121233041101545} is an apocalyptic number.

121233041101545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121233041101545 is a deficient number, since it is larger than the sum of its proper divisors (72739824660951).

121233041101545 is an equidigital number, since it uses as much as digits as its factorization.

121233041101545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8082202740111.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 121233041101545 its reverse (545101140332121), we get a palindrome (666334181433666).

The spelling of 121233041101545 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, forty-one million, one hundred one thousand, five hundred forty-five".