20200121110101 has 8 divisors (see below), whose sum is σ = 26963189960224. Its totient is φ = 13451899833360.

The previous prime is 20200121110087. The next prime is 20200121110123. The reversal of 20200121110101 is 10101112100202.

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

It is not a de Polignac number, because 20200121110101 - 2³⁰ = 20199047368277 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 (20200121111101) 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, 3711890170 + ... + 3711895611.

It is an arithmetic number, because the mean of its divisors is an integer number (3370398745028).

Almost surely, 2^{20200121110101} is an apocalyptic number.

It is an amenable number.

20200121110101 is a deficient number, since it is larger than the sum of its proper divisors (6763068850123).

20200121110101 is an equidigital number, since it uses as much as digits as its factorization.

20200121110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423786691.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20200121110101 its reverse (10101112100202), we get a palindrome (30301233210303).

The spelling of 20200121110101 in words is "twenty trillion, two hundred billion, one hundred twenty-one million, one hundred ten thousand, one hundred one".