140121110230205 has 32 divisors (see below), whose sum is σ = 182158179285600. Its totient is φ = 103470009517056.

The previous prime is 140121110230051. The next prime is 140121110230313. The reversal of 140121110230205 is 502032011121041.

It can be written as a sum of positive squares in 16 ways, for example, as 137328140626681 + 2792969603524 = 11718709^2 + 1671218^2 .

It is not a de Polignac number, because 140121110230205 - 2²⁶ = 140121043121341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297205301 + ... + 297676389.

It is an arithmetic number, because the mean of its divisors is an integer number (5692443102675).

Almost surely, 2^{140121110230205} is an apocalyptic number.

It is an amenable number.

140121110230205 is a deficient number, since it is larger than the sum of its proper divisors (42037069055395).

140121110230205 is an equidigital number, since it uses as much as digits as its factorization.

140121110230205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498210 (or 498184 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 140121110230205 its reverse (502032011121041), we get a palindrome (642153121351246).

The spelling of 140121110230205 in words is "one hundred forty trillion, one hundred twenty-one billion, one hundred ten million, two hundred thirty thousand, two hundred five".