140321245510121 has 8 divisors (see below), whose sum is σ = 159068618392320. Its totient is φ = 122710077045072.

The previous prime is 140321245510099. The next prime is 140321245510129. The reversal of 140321245510121 is 121015542123041.

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 140321245510121 - 2¹⁸ = 140321245247977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140321245510129) 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, 284051104025 + ... + 284051104518.

It is an arithmetic number, because the mean of its divisors is an integer number (19883577299040).

Almost surely, 2^{140321245510121} is an apocalyptic number.

It is an amenable number.

140321245510121 is a deficient number, since it is larger than the sum of its proper divisors (18747372882199).

140321245510121 is a wasteful number, since it uses less digits than its factorization.

140321245510121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568102208575.

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

Adding to 140321245510121 its reverse (121015542123041), we get a palindrome (261336787633162).

The spelling of 140321245510121 in words is "one hundred forty trillion, three hundred twenty-one billion, two hundred forty-five million, five hundred ten thousand, one hundred twenty-one".