2021012000101 has 4 divisors (see below), whose sum is σ = 2090702069100. Its totient is φ = 1951321931104.

The previous prime is 2021012000071. The next prime is 2021012000153. The reversal of 2021012000101 is 1010002101202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1346644202500 + 674367797601 = 1160450^2 + 821199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021012000101 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 (2021012000191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34845034456 + ... + 34845034513.

It is an arithmetic number, because the mean of its divisors is an integer number (522675517275).

Almost surely, 2^{2021012000101} is an apocalyptic number.

It is an amenable number.

2021012000101 is a deficient number, since it is larger than the sum of its proper divisors (69690068999).

2021012000101 is an equidigital number, since it uses as much as digits as its factorization.

2021012000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69690068998.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021012000101 its reverse (1010002101202), we get a palindrome (3031014101303).

The spelling of 2021012000101 in words is "two trillion, twenty-one billion, twelve million, one hundred one", and thus it is an aban number.