20210100101101 has 16 divisors (see below), whose sum is σ = 20866273550640. Its totient is φ = 19565446451200.

The previous prime is 20210100101099. The next prime is 20210100101153. The reversal of 20210100101101 is 10110100101202.

It can be written as a sum of positive squares in 8 ways, for example, as 14354058255625 + 5856041845476 = 3788675^2 + 2419926^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210100101101 - 2¹ = 20210100101099 is a prime.

It is a super-3 number, since 3×20210100101101³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210100107101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4874356 + ... + 8011213.

It is an arithmetic number, because the mean of its divisors is an integer number (1304142096915).

Almost surely, 2^{20210100101101} is an apocalyptic number.

It is an amenable number.

20210100101101 is a deficient number, since it is larger than the sum of its proper divisors (656173449539).

20210100101101 is a wasteful number, since it uses less digits than its factorization.

20210100101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12886016.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20210100101101 its reverse (10110100101202), we get a palindrome (30320200202303).

The spelling of 20210100101101 in words is "twenty trillion, two hundred ten billion, one hundred million, one hundred one thousand, one hundred one".