101102019947 has 2 divisors, whose sum is σ = 101102019948. Its totient is φ = 101102019946.

The previous prime is 101102019883. The next prime is 101102020043. The reversal of 101102019947 is 749910201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101102019947 - 2⁶ = 101102019883 is a prime.

It is not a weakly prime, because it can be changed into another prime (101102009947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551009973 + 50551009974.

It is an arithmetic number, because the mean of its divisors is an integer number (50551009974).

Almost surely, 2^101102019947 is an apocalyptic number.

101102019947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101102019947 is an equidigital number, since it uses as much as digits as its factorization.

101102019947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 101102019947 in words is "one hundred one billion, one hundred two million, nineteen thousand, nine hundred forty-seven".