20102211079 has 2 divisors, whose sum is σ = 20102211080. Its totient is φ = 20102211078.

The previous prime is 20102211013. The next prime is 20102211089. The reversal of 20102211079 is 97011220102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102211079 - 2¹¹ = 20102209031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102211089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051105539 + 10051105540.

It is an arithmetic number, because the mean of its divisors is an integer number (10051105540).

Almost surely, 2^20102211079 is an apocalyptic number.

20102211079 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102211079 is an equidigital number, since it uses as much as digits as its factorization.

20102211079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 20102211079 in words is "twenty billion, one hundred two million, two hundred eleven thousand, seventy-nine".