121350524141021 has 16 divisors (see below), whose sum is σ = 143469460189440. Its totient is φ = 100427417825280.

The previous prime is 121350524140973. The next prime is 121350524141053. The reversal of 121350524141021 is 120141425053121.

It is not a de Polignac number, because 121350524141021 - 2¹⁴ = 121350524124637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121350524141081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33893840 + ... + 37302726.

It is an arithmetic number, because the mean of its divisors is an integer number (8966841261840).

Almost surely, 2^{121350524141021} is an apocalyptic number.

It is an amenable number.

121350524141021 is a deficient number, since it is larger than the sum of its proper divisors (22118936048419).

121350524141021 is a wasteful number, since it uses less digits than its factorization.

121350524141021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584284.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 121350524141021 its reverse (120141425053121), we get a palindrome (241491949194142).

The spelling of 121350524141021 in words is "one hundred twenty-one trillion, three hundred fifty billion, five hundred twenty-four million, one hundred forty-one thousand, twenty-one".