2020221122221 has 4 divisors (see below), whose sum is σ = 2050373676352. Its totient is φ = 1990068568092.

The previous prime is 2020221122203. The next prime is 2020221122261. The reversal of 2020221122221 is 1222211220202.

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 2020221122221 - 2¹⁷ = 2020220991149 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 (2020221122201) 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, 15076276965 + ... + 15076277098.

It is an arithmetic number, because the mean of its divisors is an integer number (512593419088).

Almost surely, 2^{2020221122221} is an apocalyptic number.

It is an amenable number.

2020221122221 is a deficient number, since it is larger than the sum of its proper divisors (30152554131).

2020221122221 is an equidigital number, since it uses as much as digits as its factorization.

2020221122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30152554130.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2020221122221 its reverse (1222211220202), we get a palindrome (3242432342423).

The spelling of 2020221122221 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-one".