1010021401 has 2 divisors, whose sum is σ = 1010021402. Its totient is φ = 1010021400.

The previous prime is 1010021393. The next prime is 1010021417. The reversal of 1010021401 is 1041200101.

1010021401 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., 870309001 + 139712400 = 29501^2 + 11820^2 .

It is an emirp because it is prime and its reverse (1041200101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010021401 - 2³ = 1010021393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010021431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010700 + 505010701.

It is an arithmetic number, because the mean of its divisors is an integer number (505010701).

Almost surely, 2^1010021401 is an apocalyptic number.

It is an amenable number.

1010021401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010021401 is an equidigital number, since it uses as much as digits as its factorization.

1010021401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1010021401 is about 31780.8338625657. The cubic root of 1010021401 is about 1003.3293699938.

Adding to 1010021401 its reverse (1041200101), we get a palindrome (2051221502).

The spelling of 1010021401 in words is "one billion, ten million, twenty-one thousand, four hundred one".