10211021019967 has 2 divisors, whose sum is σ = 10211021019968. Its totient is φ = 10211021019966.

The previous prime is 10211021019949. The next prime is 10211021020021. The reversal of 10211021019967 is 76991012011201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211021019967 - 2¹⁹ = 10211020495679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211021011967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105510509983 + 5105510509984.

It is an arithmetic number, because the mean of its divisors is an integer number (5105510509984).

Almost surely, 2^{10211021019967} is an apocalyptic number.

10211021019967 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211021019967 is an equidigital number, since it uses as much as digits as its factorization.

10211021019967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 40.

The spelling of 10211021019967 in words is "ten trillion, two hundred eleven billion, twenty-one million, nineteen thousand, nine hundred sixty-seven".