20010221120201 has 8 divisors (see below), whose sum is σ = 21600899617920. Its totient is φ = 18426889868112.

The previous prime is 20010221120191. The next prime is 20010221120203. The reversal of 20010221120201 is 10202112201002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010221120201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010221120203) 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, 1836805745 + ... + 1836816638.

It is an arithmetic number, because the mean of its divisors is an integer number (2700112452240).

Almost surely, 2^{20010221120201} is an apocalyptic number.

It is an amenable number.

20010221120201 is a deficient number, since it is larger than the sum of its proper divisors (1590678497719).

20010221120201 is a wasteful number, since it uses less digits than its factorization.

20010221120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3673622815.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20010221120201 its reverse (10202112201002), we get a palindrome (30212333321203).

The spelling of 20010221120201 in words is "twenty trillion, ten billion, two hundred twenty-one million, one hundred twenty thousand, two hundred one".