20210102210101 has 8 divisors (see below), whose sum is σ = 21305914205184. Its totient is φ = 19142032290960.

The previous prime is 20210102210083. The next prime is 20210102210117. The reversal of 20210102210101 is 10101220101202.

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 20210102210101 - 2¹¹ = 20210102208053 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 (20210102213101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6935517490 + ... + 6935520403.

It is an arithmetic number, because the mean of its divisors is an integer number (2663239275648).

Almost surely, 2^{20210102210101} is an apocalyptic number.

It is an amenable number.

20210102210101 is a deficient number, since it is larger than the sum of its proper divisors (1095811995083).

20210102210101 is a wasteful number, since it uses less digits than its factorization.

20210102210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13871037971.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20210102210101 its reverse (10101220101202), we get a palindrome (30311322311303).

The spelling of 20210102210101 in words is "twenty trillion, two hundred ten billion, one hundred two million, two hundred ten thousand, one hundred one".