2020011112221 has 4 divisors (see below), whose sum is σ = 2693348149632. Its totient is φ = 1346674074812.

The previous prime is 2020011112181. The next prime is 2020011112247. The reversal of 2020011112221 is 1222111100202.

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 a cyclic number.

It is not a de Polignac number, because 2020011112221 - 2⁹ = 2020011111709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020011112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020011113221) 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, 336668518701 + ... + 336668518706.

It is an arithmetic number, because the mean of its divisors is an integer number (673337037408).

Almost surely, 2^{2020011112221} is an apocalyptic number.

It is an amenable number.

2020011112221 is a deficient number, since it is larger than the sum of its proper divisors (673337037411).

2020011112221 is an equidigital number, since it uses as much as digits as its factorization.

2020011112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673337037410.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2020011112221 its reverse (1222111100202), we get a palindrome (3242122212423).

The spelling of 2020011112221 in words is "two trillion, twenty billion, eleven million, one hundred twelve thousand, two hundred twenty-one".