20011102301 has 4 divisors (see below), whose sum is σ = 20036211132. Its totient is φ = 19985993472.

The previous prime is 20011102289. The next prime is 20011102303. The reversal of 20011102301 is 10320111002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10320111002 = 2 ⋅5160055501.

It can be written as a sum of positive squares in 2 ways, for example, as 12802922500 + 7208179801 = 113150^2 + 84901^2 .

It is a cyclic number.

It is not a de Polignac number, because 20011102301 - 2¹⁰ = 20011101277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011102303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12553220 + ... + 12554813.

It is an arithmetic number, because the mean of its divisors is an integer number (5009052783).

Almost surely, 2^20011102301 is an apocalyptic number.

It is an amenable number.

20011102301 is a deficient number, since it is larger than the sum of its proper divisors (25108831).

20011102301 is an equidigital number, since it uses as much as digits as its factorization.

20011102301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25108830.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20011102301 its reverse (10320111002), we get a palindrome (30331213303).

The spelling of 20011102301 in words is "twenty billion, eleven million, one hundred two thousand, three hundred one".