121440140301 has 4 divisors (see below), whose sum is σ = 161920187072. Its totient is φ = 80960093532.

The previous prime is 121440140299. The next prime is 121440140387. The reversal of 121440140301 is 103041044121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121440140301 - 2¹ = 121440140299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121440141301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20240023381 + ... + 20240023386.

It is an arithmetic number, because the mean of its divisors is an integer number (40480046768).

Almost surely, 2^121440140301 is an apocalyptic number.

It is an amenable number.

121440140301 is a deficient number, since it is larger than the sum of its proper divisors (40480046771).

121440140301 is an equidigital number, since it uses as much as digits as its factorization.

121440140301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40480046770.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121440140301 its reverse (103041044121), we get a palindrome (224481184422).

The spelling of 121440140301 in words is "one hundred twenty-one billion, four hundred forty million, one hundred forty thousand, three hundred one".