20220021201111 has 4 divisors (see below), whose sum is σ = 26960028268152. Its totient is φ = 13480014134072.

The previous prime is 20220021201109. The next prime is 20220021201221. The reversal of 20220021201111 is 11110212002202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20220021201111 - 2¹ = 20220021201109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220021201511) 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, 3370003533516 + ... + 3370003533521.

It is an arithmetic number, because the mean of its divisors is an integer number (6740007067038).

Almost surely, 2^{20220021201111} is an apocalyptic number.

20220021201111 is a deficient number, since it is larger than the sum of its proper divisors (6740007067041).

20220021201111 is an equidigital number, since it uses as much as digits as its factorization.

20220021201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740007067040.

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

Adding to 20220021201111 its reverse (11110212002202), we get a palindrome (31330233203313).

The spelling of 20220021201111 in words is "twenty trillion, two hundred twenty billion, twenty-one million, two hundred one thousand, one hundred eleven".