1021104401 has 2 divisors, whose sum is σ = 1021104402. Its totient is φ = 1021104400.

The previous prime is 1021104379. The next prime is 1021104449. The reversal of 1021104401 is 1044011201.

1021104401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547606801 + 473497600 = 23401^2 + 21760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021104401 - 2¹⁸ = 1020842257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021104451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510552200 + 510552201.

It is an arithmetic number, because the mean of its divisors is an integer number (510552201).

Almost surely, 2^1021104401 is an apocalyptic number.

It is an amenable number.

1021104401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021104401 is an equidigital number, since it uses as much as digits as its factorization.

1021104401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1021104401 is about 31954.7242360187. The cubic root of 1021104401 is about 1006.9858841134.

Adding to 1021104401 its reverse (1044011201), we get a palindrome (2065115602).

The spelling of 1021104401 in words is "one billion, twenty-one million, one hundred four thousand, four hundred one".