10001020100203 has 8 divisors (see below), whose sum is σ = 10910227314240. Its totient is φ = 9091816814280.

The previous prime is 10001020100191. The next prime is 10001020100209. The reversal of 10001020100203 is 30200102010001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10001020100203 - 2²¹ = 10001018003051 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 10001020100203.

It is not an unprimeable number, because it can be changed into a prime (10001020100209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7609708 + ... + 8826646.

It is an arithmetic number, because the mean of its divisors is an integer number (1363778414280).

Almost surely, 2^{10001020100203} is an apocalyptic number.

10001020100203 is a deficient number, since it is larger than the sum of its proper divisors (909207214037).

10001020100203 is a wasteful number, since it uses less digits than its factorization.

10001020100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964057.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10001020100203 its reverse (30200102010001), we get a palindrome (40201122110204).

The spelling of 10001020100203 in words is "ten trillion, one billion, twenty million, one hundred thousand, two hundred three".