2022221220111 has 6 divisors (see below), whose sum is σ = 2920986206840. Its totient is φ = 1348147480068.

The previous prime is 2022221220083. The next prime is 2022221220137. The reversal of 2022221220111 is 1110221222202.

It is a happy number.

2022221220111 is a `hidden beast` number, since 20 + 222 + 212 + 201 + 11 = 666.

It is not a de Polignac number, because 2022221220111 - 2⁵ = 2022221220079 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 (2022221220311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112345623331 + ... + 112345623348.

Almost surely, 2^{2022221220111} is an apocalyptic number.

2022221220111 is a deficient number, since it is larger than the sum of its proper divisors (898764986729).

2022221220111 is a wasteful number, since it uses less digits than its factorization.

2022221220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224691246685 (or 224691246682 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2022221220111 its reverse (1110221222202), we get a palindrome (3132442442313).

The spelling of 2022221220111 in words is "two trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred eleven".