140243101121 has 4 divisors (see below), whose sum is σ = 140446058544. Its totient is φ = 140040143700.

The previous prime is 140243101069. The next prime is 140243101129. The reversal of 140243101121 is 121101342041.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121101342041 = 302429 ⋅400429.

It is a cyclic number.

It is not a de Polignac number, because 140243101121 - 2³⁴ = 123063231937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140243101093 and 140243101102.

It is not an unprimeable number, because it can be changed into a prime (140243101129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101477675 + ... + 101479056.

It is an arithmetic number, because the mean of its divisors is an integer number (35111514636).

Almost surely, 2^140243101121 is an apocalyptic number.

It is an amenable number.

140243101121 is a deficient number, since it is larger than the sum of its proper divisors (202957423).

140243101121 is an equidigital number, since it uses as much as digits as its factorization.

140243101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202957422.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 140243101121 its reverse (121101342041), we get a palindrome (261344443162).

The spelling of 140243101121 in words is "one hundred forty billion, two hundred forty-three million, one hundred one thousand, one hundred twenty-one".