101021947967 has 2 divisors, whose sum is σ = 101021947968. Its totient is φ = 101021947966.

The previous prime is 101021947879. The next prime is 101021947969. The reversal of 101021947967 is 769749120101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101021947967 - 2¹⁰ = 101021946943 is a prime.

Together with 101021947969, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101021947969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50510973983 + 50510973984.

It is an arithmetic number, because the mean of its divisors is an integer number (50510973984).

Almost surely, 2^101021947967 is an apocalyptic number.

101021947967 is a deficient number, since it is larger than the sum of its proper divisors (1).

101021947967 is an equidigital number, since it uses as much as digits as its factorization.

101021947967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 101021947967 in words is "one hundred one billion, twenty-one million, nine hundred forty-seven thousand, nine hundred sixty-seven".