1102102001947 has 2 divisors, whose sum is σ = 1102102001948. Its totient is φ = 1102102001946.

The previous prime is 1102102001939. The next prime is 1102102001983. The reversal of 1102102001947 is 7491002012011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1102102001947 - 2³ = 1102102001939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102102011947) 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, 551051000973 + 551051000974.

It is an arithmetic number, because the mean of its divisors is an integer number (551051000974).

Almost surely, 2^{1102102001947} is an apocalyptic number.

1102102001947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102102001947 is an equidigital number, since it uses as much as digits as its factorization.

1102102001947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 28.

Adding to 1102102001947 its reverse (7491002012011), we get a palindrome (8593104013958).

The spelling of 1102102001947 in words is "one trillion, one hundred two billion, one hundred two million, one thousand, nine hundred forty-seven".