2022021121 has 4 divisors (see below), whose sum is σ = 2069044912. Its totient is φ = 1974997332.

The previous prime is 2022021077. The next prime is 2022021139. The reversal of 2022021121 is 1211202202.

It is a happy number.

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 2022021121 - 2²³ = 2013632513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2022021151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23511831 + ... + 23511916.

It is an arithmetic number, because the mean of its divisors is an integer number (517261228).

Almost surely, 2^2022021121 is an apocalyptic number.

It is an amenable number.

2022021121 is a deficient number, since it is larger than the sum of its proper divisors (47023791).

2022021121 is an equidigital number, since it uses as much as digits as its factorization.

2022021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47023790.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2022021121 is about 44966.8891630275. The cubic root of 2022021121 is about 1264.5283271230.

Adding to 2022021121 its reverse (1211202202), we get a palindrome (3233223323).

The spelling of 2022021121 in words is "two billion, twenty-two million, twenty-one thousand, one hundred twenty-one".