109983821140901 has 2 divisors, whose sum is σ = 109983821140902. Its totient is φ = 109983821140900.

The previous prime is 109983821140873. The next prime is 109983821140927. The reversal of 109983821140901 is 109041128389901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109385472480001 + 598348660900 = 10458751^2 + 773530^2 .

It is a cyclic number.

It is not a de Polignac number, because 109983821140901 - 2¹⁴ = 109983821124517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109983821140801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54991910570450 + 54991910570451.

It is an arithmetic number, because the mean of its divisors is an integer number (54991910570451).

Almost surely, 2^{109983821140901} is an apocalyptic number.

It is an amenable number.

109983821140901 is a deficient number, since it is larger than the sum of its proper divisors (1).

109983821140901 is an equidigital number, since it uses as much as digits as its factorization.

109983821140901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 56.

The spelling of 109983821140901 in words is "one hundred nine trillion, nine hundred eighty-three billion, eight hundred twenty-one million, one hundred forty thousand, nine hundred one".