2020221101111 has 2 divisors, whose sum is σ = 2020221101112. Its totient is φ = 2020221101110.

The previous prime is 2020221101077. The next prime is 2020221101141. The reversal of 2020221101111 is 1111011220202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020221101111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020221101141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110550555 + 1010110550556.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110550556).

Almost surely, 2^{2020221101111} is an apocalyptic number.

2020221101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020221101111 is an equidigital number, since it uses as much as digits as its factorization.

2020221101111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2020221101111 its reverse (1111011220202), we get a palindrome (3131232321313).

The spelling of 2020221101111 in words is "two trillion, twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred eleven".