101321120449 has 2 divisors, whose sum is σ = 101321120450. Its totient is φ = 101321120448.

The previous prime is 101321120371. The next prime is 101321120513. The reversal of 101321120449 is 944021123101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89577497025 + 11743623424 = 299295^2 + 108368^2 .

It is a cyclic number.

It is not a de Polignac number, because 101321120449 - 2⁷ = 101321120321 is a prime.

It is not a weakly prime, because it can be changed into another prime (101321150449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660560224 + 50660560225.

It is an arithmetic number, because the mean of its divisors is an integer number (50660560225).

Almost surely, 2^101321120449 is an apocalyptic number.

It is an amenable number.

101321120449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101321120449 is an equidigital number, since it uses as much as digits as its factorization.

101321120449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 101321120449 in words is "one hundred one billion, three hundred twenty-one million, one hundred twenty thousand, four hundred forty-nine".