20201000121101 has 8 divisors (see below), whose sum is σ = 20289400851840. Its totient is φ = 20112631705152.

The previous prime is 20201000121077. The next prime is 20201000121149. The reversal of 20201000121101 is 10112100010202.

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 20201000121101 - 2⁶ = 20201000121037 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 (20201000121151) 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, 6825275 + ... + 9326648.

It is an arithmetic number, because the mean of its divisors is an integer number (2536175106480).

Almost surely, 2^{20201000121101} is an apocalyptic number.

It is an amenable number.

20201000121101 is a deficient number, since it is larger than the sum of its proper divisors (88400730739).

20201000121101 is a wasteful number, since it uses less digits than its factorization.

20201000121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16157395.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20201000121101 its reverse (10112100010202), we get a palindrome (30313100131303).

The spelling of 20201000121101 in words is "twenty trillion, two hundred one billion, one hundred twenty-one thousand, one hundred one".