103689083702921 has 2 divisors, whose sum is σ = 103689083702922. Its totient is φ = 103689083702920.

The previous prime is 103689083702863. The next prime is 103689083702983. The reversal of 103689083702921 is 129207380986301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103688112445696 + 971257225 = 10182736^2 + 31165^2 .

It is a cyclic number.

It is not a de Polignac number, because 103689083702921 - 2⁴⁶ = 33320339525257 is a prime.

It is not a weakly prime, because it can be changed into another prime (103689083102921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51844541851460 + 51844541851461.

It is an arithmetic number, because the mean of its divisors is an integer number (51844541851461).

Almost surely, 2^{103689083702921} is an apocalyptic number.

It is an amenable number.

103689083702921 is a deficient number, since it is larger than the sum of its proper divisors (1).

103689083702921 is an equidigital number, since it uses as much as digits as its factorization.

103689083702921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 103689083702921 in words is "one hundred three trillion, six hundred eighty-nine billion, eighty-three million, seven hundred two thousand, nine hundred twenty-one".