20201210100101 has 8 divisors (see below), whose sum is σ = 20207001213504. Its totient is φ = 20195419335520.

The previous prime is 20201210100073. The next prime is 20201210100119. The reversal of 20201210100101 is 10100101210202.

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 20201210100101 - 2⁴² = 15803163588997 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 (20201210100131) 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, 153484361 + ... + 153615921.

It is an arithmetic number, because the mean of its divisors is an integer number (2525875151688).

Almost surely, 2^{20201210100101} is an apocalyptic number.

It is an amenable number.

20201210100101 is a deficient number, since it is larger than the sum of its proper divisors (5791113403).

20201210100101 is a wasteful number, since it uses less digits than its factorization.

20201210100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174411.

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

Adding to 20201210100101 its reverse (10100101210202), we get a palindrome (30301311310303).

The spelling of 20201210100101 in words is "twenty trillion, two hundred one billion, two hundred ten million, one hundred thousand, one hundred one".