2021002101101 has 8 divisors (see below), whose sum is σ = 2021888954904. Its totient is φ = 2020115442240.

The previous prime is 2021002101077. The next prime is 2021002101127. The reversal of 2021002101101 is 1011012001202.

It can be written as a sum of positive squares in 4 ways, for example, as 858821079076 + 1162181022025 = 926726^2 + 1078045^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021002101101 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 (2021002101191) 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, 23023571 + ... + 23111183.

It is an arithmetic number, because the mean of its divisors is an integer number (252736119363).

Almost surely, 2^{2021002101101} is an apocalyptic number.

It is an amenable number.

2021002101101 is a deficient number, since it is larger than the sum of its proper divisors (886853803).

2021002101101 is an equidigital number, since it uses as much as digits as its factorization.

2021002101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97471.

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

Adding to 2021002101101 its reverse (1011012001202), we get a palindrome (3032014102303).

The spelling of 2021002101101 in words is "two trillion, twenty-one billion, two million, one hundred one thousand, one hundred one".