140104110212221 has 2 divisors, whose sum is σ = 140104110212222. Its totient is φ = 140104110212220.

The previous prime is 140104110212207. The next prime is 140104110212239. The reversal of 140104110212221 is 122212011401041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131062428062500 + 9041682149721 = 11448250^2 + 3006939^2 .

It is a cyclic number.

It is not a de Polignac number, because 140104110212221 - 2⁵ = 140104110212189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140104110212192 and 140104110212201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140104110212621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70052055106110 + 70052055106111.

It is an arithmetic number, because the mean of its divisors is an integer number (70052055106111).

Almost surely, 2^{140104110212221} is an apocalyptic number.

It is an amenable number.

140104110212221 is a deficient number, since it is larger than the sum of its proper divisors (1).

140104110212221 is an equidigital number, since it uses as much as digits as its factorization.

140104110212221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 140104110212221 its reverse (122212011401041), we get a palindrome (262316121613262).

The spelling of 140104110212221 in words is "one hundred forty trillion, one hundred four billion, one hundred ten million, two hundred twelve thousand, two hundred twenty-one".