20021130101 has 8 divisors (see below), whose sum is σ = 22979496384. Its totient is φ = 17087315040.

The previous prime is 20021130047. The next prime is 20021130211. The reversal of 20021130101 is 10103112002.

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 20021130101 - 2¹⁸ = 20020867957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021130301) 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, 6136055 + ... + 6139316.

It is an arithmetic number, because the mean of its divisors is an integer number (2872437048).

Almost surely, 2^20021130101 is an apocalyptic number.

It is an amenable number.

20021130101 is a deficient number, since it is larger than the sum of its proper divisors (2958366283).

20021130101 is a wasteful number, since it uses less digits than its factorization.

20021130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12275611.

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

Adding to 20021130101 its reverse (10103112002), we get a palindrome (30124242103).

The spelling of 20021130101 in words is "twenty billion, twenty-one million, one hundred thirty thousand, one hundred one".