140421330211 has 4 divisors (see below), whose sum is σ = 140602988592. Its totient is φ = 140239671832.

The previous prime is 140421330197. The next prime is 140421330227. The reversal of 140421330211 is 112033124041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140421330211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140421330271) 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, 90828031 + ... + 90829576.

It is an arithmetic number, because the mean of its divisors is an integer number (35150747148).

Almost surely, 2^140421330211 is an apocalyptic number.

140421330211 is a deficient number, since it is larger than the sum of its proper divisors (181658381).

140421330211 is an equidigital number, since it uses as much as digits as its factorization.

140421330211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181658380.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 140421330211 its reverse (112033124041), we get a palindrome (252454454252).

The spelling of 140421330211 in words is "one hundred forty billion, four hundred twenty-one million, three hundred thirty thousand, two hundred eleven".