2021201102111 has 2 divisors, whose sum is σ = 2021201102112. Its totient is φ = 2021201102110.

The previous prime is 2021201102077. The next prime is 2021201102119. The reversal of 2021201102111 is 1112011021202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021201102111 - 2⁶ = 2021201102047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021201102119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010600551055 + 1010600551056.

It is an arithmetic number, because the mean of its divisors is an integer number (1010600551056).

Almost surely, 2^{2021201102111} is an apocalyptic number.

2021201102111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021201102111 is an equidigital number, since it uses as much as digits as its factorization.

2021201102111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2021201102111 its reverse (1112011021202), we get a palindrome (3133212123313).

The spelling of 2021201102111 in words is "two trillion, twenty-one billion, two hundred one million, one hundred two thousand, one hundred eleven".