1010250020401 has 2 divisors, whose sum is σ = 1010250020402. Its totient is φ = 1010250020400.

The previous prime is 1010250020303. The next prime is 1010250020407. The reversal of 1010250020401 is 1040200520101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679338608400 + 330911412001 = 824220^2 + 575249^2 .

It is an emirp because it is prime and its reverse (1040200520101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010250020401 - 2¹³ = 1010250012209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010250020407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505125010200 + 505125010201.

It is an arithmetic number, because the mean of its divisors is an integer number (505125010201).

Almost surely, 2^{1010250020401} is an apocalyptic number.

It is an amenable number.

1010250020401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010250020401 is an equidigital number, since it uses as much as digits as its factorization.

1010250020401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1010250020401 its reverse (1040200520101), we get a palindrome (2050450540502).

The spelling of 1010250020401 in words is "one trillion, ten billion, two hundred fifty million, twenty thousand, four hundred one".