20022221001111 has 32 divisors (see below), whose sum is σ = 30684193752576. Its totient is φ = 11375988624000.

The previous prime is 20022221001089. The next prime is 20022221001121. The reversal of 20022221001111 is 11110012222002.

It is not a de Polignac number, because 20022221001111 - 2⁶ = 20022221001047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022221001121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20547141 + ... + 21499521.

It is an arithmetic number, because the mean of its divisors is an integer number (958881054768).

Almost surely, 2^{20022221001111} is an apocalyptic number.

20022221001111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20022221001111 is a deficient number, since it is larger than the sum of its proper divisors (10661972751465).

20022221001111 is a wasteful number, since it uses less digits than its factorization.

20022221001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958103.

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

Adding to 20022221001111 its reverse (11110012222002), we get a palindrome (31132233223113).

The spelling of 20022221001111 in words is "twenty trillion, twenty-two billion, two hundred twenty-one million, one thousand, one hundred eleven".