2020111021101 has 4 divisors (see below), whose sum is σ = 2693481361472. Its totient is φ = 1346740680732.

The previous prime is 2020111021099. The next prime is 2020111021153. The reversal of 2020111021101 is 1011201110202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2020111021101 - 2¹ = 2020111021099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020111021501) 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, 336685170181 + ... + 336685170186.

It is an arithmetic number, because the mean of its divisors is an integer number (673370340368).

Almost surely, 2^{2020111021101} is an apocalyptic number.

It is an amenable number.

2020111021101 is a deficient number, since it is larger than the sum of its proper divisors (673370340371).

2020111021101 is an equidigital number, since it uses as much as digits as its factorization.

2020111021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673370340370.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2020111021101 its reverse (1011201110202), we get a palindrome (3031312131303).

The spelling of 2020111021101 in words is "two trillion, twenty billion, one hundred eleven million, twenty-one thousand, one hundred one".