140140121211 has 6 divisors (see below), whose sum is σ = 202424619540. Its totient is φ = 93426747468.

The previous prime is 140140121189. The next prime is 140140121237. The reversal of 140140121211 is 112121041041.

140140121211 is a `hidden beast` number, since 1 + 40 + 1 + 401 + 212 + 11 = 666.

It is not a de Polignac number, because 140140121211 - 2⁵ = 140140121179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140140121311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7785562281 + ... + 7785562298.

It is an arithmetic number, because the mean of its divisors is an integer number (33737436590).

Almost surely, 2^140140121211 is an apocalyptic number.

140140121211 is a deficient number, since it is larger than the sum of its proper divisors (62284498329).

140140121211 is a wasteful number, since it uses less digits than its factorization.

140140121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15571124585 (or 15571124582 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 140140121211 its reverse (112121041041), we get a palindrome (252261162252).

The spelling of 140140121211 in words is "one hundred forty billion, one hundred forty million, one hundred twenty-one thousand, two hundred eleven".