101102009947 has 2 divisors, whose sum is σ = 101102009948. Its totient is φ = 101102009946.

The previous prime is 101102009909. The next prime is 101102010001. The reversal of 101102009947 is 749900201101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101102009947 - 2¹¹ = 101102007899 is a prime.

It is not a weakly prime, because it can be changed into another prime (101102009147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50551004973 + 50551004974.

It is an arithmetic number, because the mean of its divisors is an integer number (50551004974).

Almost surely, 2^101102009947 is an apocalyptic number.

101102009947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101102009947 is an equidigital number, since it uses as much as digits as its factorization.

101102009947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 101102009947 in words is "one hundred one billion, one hundred two million, nine thousand, nine hundred forty-seven".