140121043040101 has 2 divisors, whose sum is σ = 140121043040102. Its totient is φ = 140121043040100.

The previous prime is 140121043040021. The next prime is 140121043040197. The reversal of 140121043040101 is 101040340121041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130030096649476 + 10090946390625 = 11403074^2 + 3176625^2 .

It is a cyclic number.

It is not a de Polignac number, because 140121043040101 - 2²⁷ = 140120908822373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140121043040201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060521520050 + 70060521520051.

It is an arithmetic number, because the mean of its divisors is an integer number (70060521520051).

Almost surely, 2^{140121043040101} is an apocalyptic number.

It is an amenable number.

140121043040101 is a deficient number, since it is larger than the sum of its proper divisors (1).

140121043040101 is an equidigital number, since it uses as much as digits as its factorization.

140121043040101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 140121043040101 its reverse (101040340121041), we get a palindrome (241161383161142).

The spelling of 140121043040101 in words is "one hundred forty trillion, one hundred twenty-one billion, forty-three million, forty thousand, one hundred one".