2022111221 has 8 divisors (see below), whose sum is σ = 2223992064. Its totient is φ = 1826849520.

The previous prime is 2022111199. The next prime is 2022111229. The reversal of 2022111221 is 1221112202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2022111221 - 2¹⁰ = 2022110197 is a prime.

It is a super-2 number, since 2×2022111221² = 8177867580188221682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022111196 and 2022111205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022111229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654145 + ... + 1655366.

It is an arithmetic number, because the mean of its divisors is an integer number (277999008).

Almost surely, 2^2022111221 is an apocalyptic number.

It is an amenable number.

2022111221 is a deficient number, since it is larger than the sum of its proper divisors (201880843).

2022111221 is a wasteful number, since it uses less digits than its factorization.

2022111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309571.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2022111221 is about 44967.8910001348. The cubic root of 2022111221 is about 1264.5471090419.

Adding to 2022111221 its reverse (1221112202), we get a palindrome (3243223423).

The spelling of 2022111221 in words is "two billion, twenty-two million, one hundred eleven thousand, two hundred twenty-one".