20211119101 has 2 divisors, whose sum is σ = 20211119102. Its totient is φ = 20211119100.

The previous prime is 20211119077. The next prime is 20211119111. The reversal of 20211119101 is 10191111202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15868440900 + 4342678201 = 125970^2 + 65899^2 .

It is a cyclic number.

It is not a de Polignac number, because 20211119101 - 2⁹ = 20211118589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211119111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105559550 + 10105559551.

It is an arithmetic number, because the mean of its divisors is an integer number (10105559551).

Almost surely, 2^20211119101 is an apocalyptic number.

It is an amenable number.

20211119101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211119101 is an equidigital number, since it uses as much as digits as its factorization.

20211119101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 20211119101 in words is "twenty billion, two hundred eleven million, one hundred nineteen thousand, one hundred one".