101020000001 has 4 divisors (see below), whose sum is σ = 101364778452. Its totient is φ = 100675221552.

The previous prime is 101019999991. The next prime is 101020000051. The reversal of 101020000001 is 100000020101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100000020101 = 41957 ⋅2383393.

It can be written as a sum of positive squares in 2 ways, for example, as 83188403776 + 17831596225 = 288424^2 + 133535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101020000001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101020000001.

It is not an unprimeable number, because it can be changed into a prime (101020000051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172388786 + ... + 172389371.

It is an arithmetic number, because the mean of its divisors is an integer number (25341194613).

Almost surely, 2^101020000001 is an apocalyptic number.

It is an amenable number.

101020000001 is a deficient number, since it is larger than the sum of its proper divisors (344778451).

101020000001 is an equidigital number, since it uses as much as digits as its factorization.

101020000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344778450.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 101020000001 its reverse (100000020101), we get a palindrome (201020020102).

The spelling of 101020000001 in words is "one hundred one billion, twenty million, one", and thus it is an aban number.