20200221122101 has 8 divisors (see below), whose sum is σ = 20584145585664. Its totient is φ = 19819194202080.

The previous prime is 20200221122093. The next prime is 20200221122141. The reversal of 20200221122101 is 10122112200202.

It is a happy number.

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 20200221122101 - 2³ = 20200221122093 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 (20200221122141) 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, 724371811 + ... + 724399696.

It is an arithmetic number, because the mean of its divisors is an integer number (2573018198208).

Almost surely, 2^{20200221122101} is an apocalyptic number.

It is an amenable number.

20200221122101 is a deficient number, since it is larger than the sum of its proper divisors (383924463563).

20200221122101 is a wasteful number, since it uses less digits than its factorization.

20200221122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448771771.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20200221122101 its reverse (10122112200202), we get a palindrome (30322333322303).

The spelling of 20200221122101 in words is "twenty trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred one".